http://hl7.org/fhir/uv/ebm/ValueSet/181524
type: ValueSet
node role: treeRoot
id:
  v: 181524
meta:
  version id:
    v: 25
  last updated:
    v: 2025-12-08T21:53:13.730Z
language:
  v: en
text:
  status:
    v: generated
  div:
    v: Generated Narrative: ValueSet 181524 version: 25; Last updated: 2025-12-08 21:53:13+0000 Include these codes as defined in https://fevir.net/sevco version ? Code Display Definition (core metadata concept) Synonym (core metadata concept) SEVCO:00002 selection bias A bias resulting from methods used to select subjects or data, factors that influence initial study participation, or differences between the study sample and the population of interest SEVCO:00016 confounding covariate bias A situation in which the effect or association between an exposure and outcome is distorted by another variable. For confounding covariate bias to occur the distorting variable must be (1) associated with the exposure and the outcome, (2) not in the causal pathway between exposure and outcome, and (3) unequally distributed between the groups being compared. SEVCO:00017 performance bias A bias resulting from differences between the received exposure and the intended exposure. Performance Adherence Bias SEVCO:00019 attrition bias A bias due to absence of expected participation or data collection after selection for study inclusion. Missing data bias SEVCO:00020 detection bias A bias due to distortions in any process involved in the determination of the recorded values for a variable. SEVCO:00021 analysis bias A bias related to the analytic process applied to the data. SEVCO:00023 reporting bias A bias due to distortions in the selection of or representation of information in study results or research findings. SEVCO:00026 synthesis bias A bias in the conduct of a systematic review resulting from methods used to select, manipulate or interpret data for evidence synthesis. SEVCO:00028 qualitative research bias A bias specific to the design, conduct, analysis or reporting of qualitative research. SEVCO:00029 mixed methods research bias A bias specific to the coordination of design, conduct, analysis or reporting of qualitative research and quantitative research. SEVCO:00030 bias in validati…
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      code:
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      display:
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    v: Risk Of Bias Type Value Set [Database Entry: FHIR ValueSet Resource]. Contributors: Brian S. Alper [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 181524. Revised 2025-12-08. Available at: https://fevir.net/resources/ValueSet/181524. Computable resource at: https://fevir.net/resources/ValueSet/181524#json.
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  l: https://fevir.net/resources/ValueSet/181524
identifier:
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      display:
        v: Accession ID
    text:
      v: FEvIR Object Identifier
  system:
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    l: FOI
  value:
    v: 181524
  assigner:
    display:
      v: Computable Publishing LLC
identifier:
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    l: 3986
  value:
    v: urn:oid:2.16.840.1.113883.4.642.40.44.48.6
version:
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name:
  v: Risk_of_bias_type
title:
  v: Risk Of Bias Type Value Set
status:
  v: active
experimental:
  v: false
date:
  v: 2026-01-13T11:03:07+00:00
publisher:
  v: HL7 International / Clinical Decision Support
contact:
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    v: HL7 International / Clinical Decision Support
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      v: url
    value:
      v: http://www.hl7.org/Special/committees/dss
description:
  v: Types of bias for use with risk of bias assessment. This is a snapshot version from a code system in development (original source at https://fevir.net/resources/CodeSystem/27270) and is provided for example support in the EBMonFHIR Implementation Guide.
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    code:
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    display:
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copyright:
  v: https://creativecommons.org/licenses/by-nc-sa/4.0/
author:
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    v: Brian S. Alper
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    v: cite-as
  citation:
    v: Risk Of Bias Type Value Set [ValueSet]. Contributors: Brian S. Alper [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 181524. Revised 2023-12-08. Available at: https://fevir.net/resources/ValueSet/181524. Computable resource at: https://fevir.net/resources/ValueSet/181524.
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display:
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v: A bias resulting from differences between the received exposure and the intended exposure.

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code:
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display:
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code:
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display:
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code:
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display:
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v: Compliance Bias

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code:
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display:
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v: Performance Adherence Bias

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code:
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display:
  v: Definition (core metadata concept)

v: A bias due to absence of expected participation or data collection after selection for study inclusion.

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code:
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display:
  v: Synonym (core metadata concept)

v: Missing data bias

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code:
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display:
  v: Definition (core metadata concept)

v: A bias due to distortions in any process involved in the determination of the recorded values for a variable.

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display:
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v: A bias related to the analytic process applied to the data.

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code:
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display:
  v: Definition (core metadata concept)

v: A bias due to distortions in the selection of or representation of information in study results or research findings.

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code:
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display:
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v: A bias in the conduct of a systematic review resulting from methods used to select, manipulate or interpret data for evidence synthesis.

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system:
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code:
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display:
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v: A bias specific to the design, conduct, analysis or reporting of qualitative research.

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  v: http://snomed.info/sct
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code:
  v: 900000000000550004
display:
  v: Definition (core metadata concept)

v: A bias specific to the coordination of design, conduct, analysis or reporting of qualitative research and quantitative research.

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code:
  v: 900000000000550004
display:
  v: Definition (core metadata concept)

v: A bias in the design, conduct or reporting of studies or analyses intended to evaluate the reliability and/or performance of a procedure for a specific predictive, classification, measurement, or communication purpose.

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code:
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display:
  v: Synonym (core metadata concept)

v: validation bias

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    display:
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  value:
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  value:
    v: Bias due to early study termination

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    display:
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  value:
    v: A systematic distortion in research results (estimation of effect, association, or inference). Distortions in research results means differences between the reported results (findings, conclusions, effect estimates) and the actuality (the truth, the estimand [the quantity targeted for estimation])

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display:
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    display:
      v: Definition (core metadata concept)
  value:
    v: A selection bias resulting from methods used to select participating subjects, factors that influence initial study participation, or differences between the study participants and the population of interest

code:
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display:
  v: inappropriate selection criteria
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      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A selection bias resulting from inclusion and exclusion criteria used to select participating subjects that could result in differences between the study participants and the population of interest.
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  value:
    v: Selection bias due to inappropriate selection criteria

code:
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display:
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      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A selection bias resulting from the sampling frame, sampling procedure, or methods used to recruit participating subjects that could result in differences between the study participants and the population of interest.
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  value:
    v: Biased sampling strategy
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  value:
    v: Inappropriate sampling frame
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      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Selection bias due to inappropriate sampling strategy

code:
  v: SEVCO:00014
display:
  v: inappropriate data source for participant selection
designation:
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  value:
    v: Participant selection bias due to inappropriate data source for sampling frame.
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  value:
    v: Participant selection bias due to inappropriate data source for sampling frame

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  value:
    v: A selection bias due to differences between the included participants and the population of interest that distorts the research results (estimation of effect, association, or inference), limiting external validity or applicability.
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  value:
    v: Nonrepresentative sample

code:
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      v: Definition (core metadata concept)
  value:
    v: A selection bias in which insufficient enrollment of eligible subjects results in differences (recognized or unrecognized) between the included participants and the population of interest that distorts the research results.
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  value:
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  value:
    v: Non-representative sample due to inadequate enrollment

code:
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  v: non-representative sample due to timing or duration of exposure
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    display:
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  value:
    v: A selection bias in which the timing or duration of exposure influences the outcome, and the timing or duration of exposure in the sample does not represent that of the population of interest. This selection bias may occur when the selection for study participation is not coincident with the initiation of the exposure or intervention under investigation.
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  value:
    v: Mismatch in start of intervention and start of follow-up

code:
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      v: Definition (core metadata concept)
  value:
    v: A non-representative sample due to exclusion of susceptible participants who have already had an outcome due to prior exposure. For example, the inclusion of prevalent users of a medication misrepresents the initial adverse effects rate by excluding persons who do not tolerate the medication.
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      v: Synonym (core metadata concept)
  value:
    v: Prevalent user bias
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    code:
      v: 900000000000013009
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      v: Synonym (core metadata concept)
  value:
    v: Non-representative sample due to depletion of susceptibles

code:
  v: SEVCO:00009
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  v: post-baseline factors influence enrollment selection
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      v: 900000000000550004
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      v: Definition (core metadata concept)
  value:
    v: A selection bias in which factors observed after study entry, baseline, or start of follow-up influence enrollment
designation:
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      v: Synonym (core metadata concept)
  value:
    v: Participant selection bias due to post-baseline factors

code:
  v: SEVCO:00212
display:
  v: participant selection bias due to early study termination
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    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A selection bias due to premature closure of study enrollment.
designation:
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    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Early termination bias affecting enrollment

code:
  v: SEVCO:00010
display:
  v: factor associated with exposure influences enrollment selection
designation:
  use: http://snomed.info/id/900000000000550004
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      v: http://snomed.info/sct
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    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A selection bias in which a factor associated with the exposure under investigation influences study enrollment
designation:
  use: http://snomed.info/id/900000000000013009
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    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Participant selection bias due to factor associated wiith exposure

code:
  v: SEVCO:00011
display:
  v: factor associated with outcome influences enrollment selection
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      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A selection bias in which a factor associated with the outcome under investigation influences study enrollment
designation:
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      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Participant selection bias due to factor associated wiith outcome

code:
  v: SEVCO:00015
display:
  v: study selection bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A selection bias resulting from factors that influence study selection, from methods used to include or exclude studies for evidence synthesis, or from differences between the study sample and the population of interest

code:
  v: SEVCO:00262
display:
  v: bias in study eligibility criteria

code:
  v: SEVCO:00273
display:
  v: study eligibility criteria not prespecified

code:
  v: SEVCO:00274
display:
  v: study eligibility criteria not appropriate for review question

code:
  v: SEVCO:00275
display:
  v: study eligibility criteria ambiguous

code:
  v: SEVCO:00276
display:
  v: study eligibility criteria limits for study characteristics not appropriate

code:
  v: SEVCO:00277
display:
  v: study eligibility criteria limits for study report characteristics not appropriate

code:
  v: SEVCO:00263
display:
  v: database search sources inadequate

code:
  v: SEVCO:00264
display:
  v: non-database search sources inadequate

code:
  v: SEVCO:00265
display:
  v: search strategy not sensitive

code:
  v: SEVCO:00266
display:
  v: search strategy limits for study report characteristics not appropriate

code:
  v: SEVCO:00267
display:
  v: misapplication of study eligibility criteria

code:
  v: SEVCO:00268
display:
  v: bias in study selection process

code:
  v: SEVCO:00269
display:
  v: language bias

code:
  v: SEVCO:00270
display:
  v: geography bias

code:
  v: SEVCO:00271
display:
  v: one-sided reference bias

code:
  v: SEVCO:00272
display:
  v: publication bias

code:
  v: SEVCO:00032
display:
  v: allocation bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A confounding covariate bias resulting from methods for assignment of the independent variable by the investigator to evaluate a response or outcome.

code:
  v: SEVCO:00031
display:
  v: inadequate allocation concealment
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An allocation bias resulting from awareness of the assigned intervention before study enrolment and intervention assignment

code:
  v: SEVCO:00278
display:
  v: bias due to non-randomized allocation
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An allocation bias resulting from a process of assigning participants or subjects to different groups or conditions which is not random.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Nonrandom allocation bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Non-random allocation bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Bias due to non-random allocation

code:
  v: SEVCO:00033
display:
  v: comparator selection bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A confounding covariate bias resulting from methods used to select participating subjects, or factors that influence study participation, for the comparator group.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Comparison Group Selection Bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Comparator Group Selection Bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Comparison Selection Bias

code:
  v: SEVCO:00034
display:
  v: confounding difference
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A confounding covariate bias in which the unequal distribution of a potentially distorting variable is recognized.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Recognized Difference with Potential for Confounding
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Recognized confounding difference

code:
  v: SEVCO:00280
display:
  v: confounding by time of observation
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A confounding covariate bias in which the distorting variable is the time at which the outcome is measured or observed.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Confounding by follow-up time

code:
  v: SEVCO:00281
display:
  v: lead time bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A confounding covariate bias in which the distorting variable is the length of time that the participant has had the condition of interest at study enrollment.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Starting time bias

code:
  v: SEVCO:00282
display:
  v: confounding influencing adherence to intervention
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A confounding covariate bias in which the distorting variable is associated with deviations from the intended intervention.

code:
  v: SEVCO:00284
display:
  v: confounding by indication
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A confounding covariate bias in which the distorting variable is the reason for receiving an exposure.

code:
  v: SEVCO:00388
display:
  v: confounding by contraindication
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A confounding covariate bias in which the distorting variable is the reason for not receiving an exposure.

code:
  v: SEVCO:00390
display:
  v: time-varying confounding affected by past exposure
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A confounding covariate bias in which the distorting variable is itself influenced by the exposure.

code:
  v: SEVCO:00035
display:
  v: inadequate blinding of participants
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A performance bias due to awareness of the allocated intervention by participants
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inadequate masking of participants
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Lack of blinding of participants

code:
  v: SEVCO:00036
display:
  v: inadequate blinding of intervention deliverers
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A performance bias due to awareness of the allocated intervention by individuals providing or delivering the intervention
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inadequate masking of intervention deliverers
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Lack of blinding of intervention deliverers

code:
  v: SEVCO:00037
display:
  v: deviation from study intervention protocol
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A performance bias in which the intervention received differs from the intervention specified in the study protocol

code:
  v: SEVCO:00038
display:
  v: deviation from standard of care
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A performance bias in which the intervention or exposure received differs from the from the usual practice or expected care

code:
  v: SEVCO:00039
display:
  v: nonadherence of implementation
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A performance bias in which the intervention deliverers do not completely adhere to the expected intervention
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Nonadherence of interventionalist

code:
  v: SEVCO:00040
display:
  v: nonadherence of participants
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A performance bias in which the participants do not completely adhere to the expected intervention or exposure

code:
  v: SEVCO:00041
display:
  v: imbalance in deviations from intended intervention
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A performance bias in which the degree of performance bias is unequally distributed between groups being compared
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Asymmetry in adherence between groups

code:
  v: SEVCO:00286
display:
  v: attrition bias due to participant attrition
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias due to absence of expected participation due to participant dropout, withdrawal or non-participation after selection for study inclusion.

code:
  v: SEVCO:00287
display:
  v: attrition bias due to missing data
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias due to data loss or absence of data collection from participants after selection for study inclusion.

code:
  v: SEVCO:00386
display:
  v: attrition bias due to missing outcome data
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An attrition bias due to missing data specific to the dependent variable.

code:
  v: SEVCO:00288
display:
  v: attrition bias due to missing exposure data
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An attrition bias due to missing data specific to the independent variable(s) of primary interest, such as exposure or intervention.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Attrition bias due to missing intervention data

code:
  v: SEVCO:00289
display:
  v: attrition bias due to missing modifier data
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An attrition bias due to missing data specific to a confounder or effect modifier

code:
  v: SEVCO:00387
display:
  v: attrition bias due to missing data about attrition
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An attrition bias due to missing data specific to the extent of or reasons for missing data.

code:
  v: SEVCO:00290
display:
  v: imbalance in missing data
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An attrition bias in which the degree of missing data is unequally distributed between groups being compared.

code:
  v: SEVCO:00291
display:
  v: inadequate response rate
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An attrition bias in which the reason for absence of data collection is a low response rate to data collection surveys.

code:
  v: SEVCO:00042
display:
  v: outcome detection bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A detection bias due to distortions in how an outcome is determined.

code:
  v: SEVCO:00047
display:
  v: cognitive interpretive bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome detection bias due to the subjective nature of human interpretation.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Perception bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Subjective interpretive bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Subjectivity bias for outcome determination

code:
  v: SEVCO:00048
display:
  v: bias due to lack of masking for outcome determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias for outcome determination due to awareness of the participant's status with respect to the exposure of interest.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Bias due to lack of blinding during outcome assessment
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Bias due to lack of masking during outcome assessment
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Awareness bias for outcome determination

code:
  v: SEVCO:00049
display:
  v: observer bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias for outcome determination due to subjective interpretations in the process of observing and recording information.

code:
  v: SEVCO:00052
display:
  v: confirmation bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An observer bias for outcome determination due to previous opinions or knowledge of a subject’s prior exposures or assessments.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Diagnostic suspicion bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Previous opinion bias for outcome determination

code:
  v: SEVCO:00050
display:
  v: recall bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias for outcome determination due to differences in accuracy or completeness of recall of past events or experiences.

code:
  v: SEVCO:00051
display:
  v: apprehension bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias for outcome determination due to a study participant's responding or behaving differently when aware of being observed.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Hawthorne effect for outcome determination

code:
  v: SEVCO:00053
display:
  v: hypothetical assessment bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias for outcome determination due to a difference between an individual’s report of an imagined or hypothetical response from their actual response. The response may be a behavior or valuation.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Subjunctivity bias for outcome determination

code:
  v: SEVCO:00054
display:
  v: mimicry bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias for outcome determination due to a misinterpretation of observations that resemble the outcome.

code:
  v: SEVCO:00057
display:
  v: unacceptability bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias for outcome determination due to distortions in response, response values, or recording of responses resulting from perception of the social unacceptability of an outcome.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Unacceptable disease bias for outcome determination

code:
  v: SEVCO:00058
display:
  v: outcome ascertainment bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome detection bias due to distortions in how the data are collected.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Ascertainment Bias for outcome determination

code:
  v: SEVCO:00097
display:
  v: nonrepresentative observation period for outcome of interest
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome ascertainment bias due to differences in the period used for observation of the outcome and the period for the outcome of interest.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Misaligned follow up period for outcome of interest

code:
  v: SEVCO:00098
display:
  v: nonrepresentative context for outcome ascertainment
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome ascertainment bias due to differences in the context in which the outcome is observed and the intended context for the outcome of interest.

code:
  v: SEVCO:00099
display:
  v: inconsistency in outcome ascertainment
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome ascertainment bias due to differences within or between groups in how the data are collected.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Imbalance in outcome ascertainment

code:
  v: SEVCO:00059
display:
  v: outcome measurement bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome detection bias due to distortions in how the observed outcomes are measured.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Measurement Bias for outcome determination

code:
  v: SEVCO:00100
display:
  v: inappropriate method for outcome measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome measurement bias due to use of an incorrect method or protocol.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Incorrect outcome measurement method
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inappropriate outcome measurement method

code:
  v: SEVCO:00101
display:
  v: insensitive measure bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome measurement bias due to use of a method that does not reliably detect the outcome when the outcome is present.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inadequate sensitivity for outcome measure

code:
  v: SEVCO:00211
display:
  v: nonspecific measure bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome measurement bias due to use of a method that falsely detects the outcome when the outcome is absent.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inadequate specificity for outcome measure

code:
  v: SEVCO:00103
display:
  v: inappropriate application of method for outcome measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome measurement bias due to inappropriate application of the method or protocol.

code:
  v: SEVCO:00104
display:
  v: inconsistency in outcome measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome measurement bias due to differences within groups in how the observed outcomes are measured.

code:
  v: SEVCO:00243
display:
  v: inconsistency in instruments used for outcome measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome measurement bias due to differences within groups in the instruments used for measurement.

code:
  v: SEVCO:00244
display:
  v: inconsistency in processes used for outcome measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome measurement bias due to differences within groups in the processes by which the instruments are used for measurement.

code:
  v: SEVCO:00240
display:
  v: imbalance in outcome measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome measurement bias due to differences between groups in how the observed outcomes are measured.

code:
  v: SEVCO:00245
display:
  v: imbalance in instruments used for outcome measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome measurement bias due to differences between groups in the instruments used for measurement.

code:
  v: SEVCO:00246
display:
  v: imbalance in processes used for outcome measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome measurement bias due to differences between groups in the processes by which the instruments are used for measurement.

code:
  v: SEVCO:00060
display:
  v: outcome classification bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome detection bias due to distortions in how the observed outcomes are classified.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Misclassification Bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Outcome Misclassification Bias

code:
  v: SEVCO:00061
display:
  v: outcome classification system bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome classification bias resulting from the definition or threshold used for outcome classification.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Definition Bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Outcome definition bias

code:
  v: SEVCO:00105
display:
  v: nonrepresentative definition for outcome classification
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome classification system bias due to a mismatch between the outcome of interest and the definition or threshold used for outcome measurement.

code:
  v: SEVCO:00108
display:
  v: surrogate marker bias for outcome classification
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome classification system bias due to use of a definition that is proxy for the outcome rather than direct observation of the outcome.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Substitution bias for outcome classification

code:
  v: SEVCO:00106
display:
  v: post-hoc definition of outcome
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome classification system bias due to defining the outcome after interacting with the study data.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Post-hoc outcome definition
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Definition for outcome classification not prespecified
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: No prespecified definition for outcome classification

code:
  v: SEVCO:00062
display:
  v: outcome classification process bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome classification bias resulting from the application of the method used for outcome classification.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Classification Process Bias for outcome determination

code:
  v: SEVCO:00063
display:
  v: incorporation bias for outcome determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An outcome classification bias due to the inclusion of the exposure under investigation in the method or process used for outcome classification.

code:
  v: SEVCO:00043
display:
  v: exposure detection bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A detection bias due to distortions in how an exposure of interest is determined.

code:
  v: SEVCO:00055
display:
  v: cognitive interpretive bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure detection bias due to the subjective nature of human interpretation.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Perception bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Subjective interpretive bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Subjectivity bias for exposure determination

code:
  v: SEVCO:00056
display:
  v: bias due to lack of masking for exposure determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias for exposure determination due to awareness of the participant's status with respect to the outcome of interest or other relevant exposures.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Bias due to lack of blinding during exposure assessment
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Bias due to lack of masking during exposure assessment
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Awareness bias for exposure determination

code:
  v: SEVCO:00238
display:
  v: observer bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias for exposure determination due to subjective interpretations in the process of observing and recording information.

code:
  v: SEVCO:00239
display:
  v: confirmation bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An observer bias for exposure determination due to previous opinions or knowledge of a subject’s prior exposures or assessments.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Diagnostic suspicion bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Previous opinion bias for exposure determination

code:
  v: SEVCO:00214
display:
  v: recall bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias for exposure determination due to differences in accuracy or completeness of recall of past events or experiences.

code:
  v: SEVCO:00215
display:
  v: apprehension bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias for exposure determination due to a study participant's responding or behaving differently when aware of being observed.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Hawthorne effect for exposure determination

code:
  v: SEVCO:00216
display:
  v: hypothetical assessment bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias for exposure determination due to a difference between an individual’s report of an imagined or hypothetical response from their actual response.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Subjunctivity bias for exposure determination

code:
  v: SEVCO:00217
display:
  v: mimicry bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias for exposure determination due to a misinterpretation of observations that resemble the exposure.

code:
  v: SEVCO:00218
display:
  v: unacceptability bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias for exposure determination due to distortions in response, response values, or recording of responses resulting from perception of the social unacceptability of an exposure.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Unacceptable disease bias for exposure determination

code:
  v: SEVCO:00219
display:
  v: exposure ascertainment bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure detection bias due to distortions in how the data are collected.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Ascertainment Bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Data collection bias for exposure determination

code:
  v: SEVCO:00220
display:
  v: nonrepresentative observation period for exposure of interest
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure ascertainment bias due to differences in the time period used for observation of the exposure and the intended time period for the exposure of interest.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Misaligned follow up period for exposure of interest

code:
  v: SEVCO:00221
display:
  v: nonrepresentative context for exposure ascertainment
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure ascertainment bias due to differences in the context in which the exposure is observed and the intended context for the exposure of interest.

code:
  v: SEVCO:00222
display:
  v: inconsistency in exposure ascertainment
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure ascertainment bias due to differences within or between groups in how the data are collected.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Imbalance in exposure ascertainment

code:
  v: SEVCO:00223
display:
  v: exposure measurement bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure detection bias due to distortions in how the observed exposures are measured.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Measurement Bias for exposure determination

code:
  v: SEVCO:00224
display:
  v: inappropriate method for exposure measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure measurement bias due to use of an incorrect method or protocol.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Incorrect exposure measurement method
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inappropriate exposure measurement method

code:
  v: SEVCO:00225
display:
  v: insensitive measure bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure measurement bias due to use of a method that does not reliably detect the exposure when the exposure is present.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inadequate sensitivity for exposure measure
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inadequate sensitivity for exposure determination

code:
  v: SEVCO:00226
display:
  v: nonspecific measure bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure measurement bias due to use of a method that falsely detects the exposure when the exposure is absent.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inadequate specificity for exposure measure

code:
  v: SEVCO:00228
display:
  v: inappropriate application of method for exposure measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure measurement bias due to inappropriate application of the method or protocol.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inappropriate exposure measurement conduct

code:
  v: SEVCO:00229
display:
  v: inconsistency in exposure measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure measurement bias due to differences within groups in how the observed exposures are measured.

code:
  v: SEVCO:00247
display:
  v: inconsistency in instruments used for exposure measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure measurement bias due to differences within groups in the instruments for measurement.

code:
  v: SEVCO:00248
display:
  v: inconsistency in processes used for exposure measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure measurement bias due to differences within groups in the processes by which the instruments are used for measurement.

code:
  v: SEVCO:00241
display:
  v: imbalance in exposure measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure measurement bias due to differences between groups in how the observed exposures are measured.

code:
  v: SEVCO:00249
display:
  v: imbalance in instruments used for exposure measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure measurement bias due to differences between groups in the instruments used for measurement.

code:
  v: SEVCO:00250
display:
  v: imbalance in processes used for exposure measurement
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure measurement bias due to differences between groups in the processes by which the instruments are used for measurement.

code:
  v: SEVCO:00230
display:
  v: exposure classification bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure detection bias due to distortions in how the observed exposures are classified.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Misclassification Bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Exposure Misclassification Bias

code:
  v: SEVCO:00231
display:
  v: exposure definition bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure classification bias resulting from the definition or threshold used for exposure classification.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Definition Bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Threshold Bias for exposure determination

code:
  v: SEVCO:00232
display:
  v: nonrepresentative definition for exposure classification
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure definition bias due to a mismatch between the exposure of interest and the definition or threshold used for exposure measurement.

code:
  v: SEVCO:00233
display:
  v: surrogate marker bias for exposure classification
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure definition bias due to use of a definition that is proxy for the exposure rather than direct observation of the exposure.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Substitution bias for exposure classification
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Proxy bias for exposure classification

code:
  v: SEVCO:00234
display:
  v: post-hoc definition of exposure
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure definition bias due to definition of the exposure after interacting with the study data.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Definition for exposure classification not prespecified
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Post-hoc exposure definition
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: No prespecified definition for exposure classification

code:
  v: SEVCO:00236
display:
  v: classification process bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure classification bias resulting from the application of the method used for exposure classification.

code:
  v: SEVCO:00237
display:
  v: incorporation bias for exposure determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An exposure classification bias due to the inclusion of the outcome or other relevant exposures under investigation in the method or process used for exposure classification.

code:
  v: SEVCO:00044
display:
  v: confounder detection bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A detection bias due to distortions in how the data for a potential confounder are determined.

code:
  v: SEVCO:00045
display:
  v: detection bias related to the reference standard
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A detection bias due to distortions in how the reference standard result is determined.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Bias for reference standard result determination

code:
  v: SEVCO:00046
display:
  v: detection bias related to the index test
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A detection bias due to distortions in how the index test result is determined.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Bias for index test result determination

code:
  v: SEVCO:00383
display:
  v: data entry bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A detection bias due to differences between measured values and recorded values.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Data Recording Bias

code:
  v: SEVCO:00389
display:
  v: inappropriate time interval between predictor assessment and outcome determination
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A detection bias involving the time interval between the observation of the predictor and outcome, where the interval used by the study differs from the interval assumed by the predictive model.

code:
  v: SEVCO:00022
display:
  v: bias related to selection of the analysis
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to inappropriate choice of analysis methods before the analysis is applied.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Analysis Selection Bias

code:
  v: SEVCO:00376
display:
  v: bias related to selection of the data for analysis
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to inappropriate choice of data included in the analysis before the analysis is applied.

code:
  v: SEVCO:00213
display:
  v: bias due to post-baseline factors influencing selection of the data for analysis
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias related to selection of the data analysis based on participant characteristics observed after study enrollment.

code:
  v: SEVCO:00312
display:
  v: missing or inadequate intention-to-treat analysis
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias related to selection of the data analysis in which data are not completely analyzed according to the original assignment to comparison groups in an interventional study.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inadequate as-randomized analysis

code:
  v: SEVCO:00313
display:
  v: missing or inadequate per-protocol analysis
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias related to selection of the data analysis in which data are not completely analyzed according to the study protocol.

code:
  v: SEVCO:00381
display:
  v: missing or inadequate as-treated analysis
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias related to selection of the data analysis in which data are not completely analyzed according to the interventions actually received.

code:
  v: SEVCO:00377
display:
  v: bias related to selection of the variables for analysis
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to inappropriate choice of variables included in the analysis before the analysis is applied.

code:
  v: SEVCO:00292
display:
  v: bias related to selection of the variables for adjustment for confounding
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to inappropriate choice of the variables for adjustment for confounding before the analysis is applied.

code:
  v: SEVCO:00299
display:
  v: bias controlling for time-varying confounding
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias related to selection of the variables for adjustment for confounding in which the confounding is time-dependent.

code:
  v: SEVCO:00301
display:
  v: inadequate adherence effect analysis
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias related to selection of the variables for adjustment for confounding by adherence.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Bias controlling for adherence effect
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Bias controlling for confounding by adherence

code:
  v: SEVCO:00302
display:
  v: predictors included in outcome definition
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to inappropriate choice of the variables for estimation of association in which one variable is incorporated in the definition of the other variable.

code:
  v: SEVCO:00319
display:
  v: bias related to selection of predictors based on univariable analysis
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to inappropriate choice of the predictor variables for estimation of association in which predictors are selected based on statistically significant univariable associations (without adjustment for other predictors).

code:
  v: SEVCO:00378
display:
  v: bias related to selection of the analytic framework
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to inappropriate choice of the analytic framework before the analysis is applied.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Bias related to selection of the statistical framework

code:
  v: SEVCO:00297
display:
  v: inappropriate statistical model
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias related to selection of the analytic framework in which the analytic model does not match the dataset characteristics or does not match the intention of the analysis.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inappropriate analytic model

code:
  v: SEVCO:00375
display:
  v: inappropriate modeling of censoring
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An inappropriate statistical model due to inappropriate accounting for ranges of potential observation in which data observation is not possible.

code:
  v: SEVCO:00316
display:
  v: bias due to selection of the statistical significance threshold
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias resulting from selection of an inappropriate threshold for statistical significance.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Significance-threshold selection bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Statistical significance threshold selection bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Bias related to selection of the threshold for statistical significance

code:
  v: SEVCO:00317
display:
  v: bias related to multiple comparison adjustment
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias resulting from selection of a threshold for statistical significance which does not appropriately account for the effect of multiple comparisons on the statistical probability related to the result.

code:
  v: SEVCO:00382
display:
  v: mismatch of significance threshold and purpose
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias resulting from selection of a threshold for statistical significance which is inappropriate due to a mismatch between (1) how the statistical probability related to the result is determined and (2) the purpose for categorizing the result as statistically significant.

code:
  v: SEVCO:00304
display:
  v: immortal time bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias related to selection of the analytic framework in which an outcome variable includes an observation period during which the outcome could not have occurred.

code:
  v: SEVCO:00293
display:
  v: inadequate sample size
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias related to selection of the analytic framework in which the sample size invalidates the assumptions of the analytic framework.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inadequate numbers for analysis

code:
  v: SEVCO:00294
display:
  v: bias related to execution of the analysis
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to inappropriate decisions pertaining to preparation of data for analysis and/or conduct of the analysis.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Bias in processing of data

code:
  v: SEVCO:00305
display:
  v: incomplete analysis
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to absence of a component of the analytic process.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Incomplete analysis process

code:
  v: SEVCO:00306
display:
  v: inappropriate handling of uninterpretable data
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to omission of uninterpretable values, or their replacement with inappropriate values.

code:
  v: SEVCO:00307
display:
  v: inappropriate handling of missing data
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to use of non-representative values in place of missing data.

code:
  v: SEVCO:00308
display:
  v: inappropriate handling of variables
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to processing a variable in an incorrect role or with an incorrect datatype.

code:
  v: SEVCO:00300
display:
  v: bias in adjustment for selection bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to inappropriate application of adjustment techniques for correction of bias in the selection of participants for analysis.

code:
  v: SEVCO:00309
display:
  v: data transition bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to differences between recorded data and data used for analysis.

code:
  v: SEVCO:00311
display:
  v: inappropriate handling of missing confounder data
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to use of non-representative values in place of missing data for variables in the role of confounder.

code:
  v: SEVCO:00298
display:
  v: computational implementation bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias due to miscalculations in the processing of the data.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Bug
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Statistical Programming Error
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Programming Error

code:
  v: SEVCO:00324
display:
  v: reported analysis not following pre-specified analysis plan
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias in which the reported analysis does not match the pre-specified analysis plan.

code:
  v: SEVCO:00303
display:
  v: collider bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias in which an estimation of association between two variables is distorted by controlling for a third variable affected by both variables of interest (or factors causing the variables of interest).

code:
  v: SEVCO:00314
display:
  v: preliminary analysis bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias related to analysis of data before the complete dataset is available.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Interim analysis bias

code:
  v: SEVCO:00295
display:
  v: data-dredging bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias involving use of data analyses that are not pre-specified and fully disclosed, to select analyses with desirable results.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: p-hacking
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Fishing expedition
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Data snooping bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: p-hacking bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Fishing expedition bias

code:
  v: SEVCO:00322
display:
  v: final model not corresponding to multivariable analysis
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias in which the predictors and coefficients in the final model do not match the predictors and coefficients reported in the multivariable analysis.

code:
  v: SEVCO:00310
display:
  v: cognitive interpretive bias affecting analysis
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias related to the analytic process due to the subjective nature of human interpretation.

code:
  v: SEVCO:00379
display:
  v: cognitive interpretive bias affecting analysis selection
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias related to selection of the analysis due to the subjective nature of human interpretation.

code:
  v: SEVCO:00315
display:
  v: availability bias affecting analysis selection
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A Cognitive Interpretive Bias due to the use of information which is most readily available, rather than information which is most representative, affecting analysis selection.

code:
  v: SEVCO:00380
display:
  v: cognitive interpretive bias affecting execution of the analysis
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias in processing of data due to the subjective nature of human interpretation.

code:
  v: SEVCO:00296
display:
  v: lack of blinding of data analysts
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias affecting execution of the analysis due to the analyst's awareness of the participants' status with respect to the variables defining the comparison groups.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Lack of masking of data analysts

code:
  v: SEVCO:00392
display:
  v: inappropriate weighting bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias in which the weights used in model construction do not align with the target of estimation or estimand.

code:
  v: SEVCO:00320
display:
  v: inappropriate evaluation of predictive model performance measures
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias in which the method for analysis of a performance measure (such as calibration or discrimination) is not adequate or suitable for the predictive model.

code:
  v: SEVCO:00393
display:
  v: inappropriate evaluation of calibration of predictive model
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias in which the method for analysis of calibration is not adequate or suitable for the predictive model.

code:
  v: SEVCO:00394
display:
  v: inappropriate evaluation of discrimination of predictive model
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias in which the method for analysis of discrimination is not adequate or suitable for the predictive model.

code:
  v: SEVCO:00321
display:
  v: model overfitting
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An analysis bias, specific to predictive model development studies, in which strategies to mitigate overfitting are not adequately applied.

code:
  v: SEVCO:00024
display:
  v: selective reporting bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A reporting bias due to inappropriate selection of the results or research findings that are reported.

code:
  v: SEVCO:00330
display:
  v: selective outcome reporting
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A selective reporting bias due to inappropriate selection of which outcomes are reported within results or research findings.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Outcome reporting bias

code:
  v: SEVCO:00336
display:
  v: selective outcome measure reporting
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A selective reporting bias due to inappropriate selection of which outcome measures are reported for an outcome.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Selective outcome measure reporting within outcome domain

code:
  v: SEVCO:00331
display:
  v: selective subgroup reporting
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A selective reporting bias due to inappropriate selection of subsets of groups of participants for which results or research findings are reported.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Subgroup reporting bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Subgroup analysis reporting bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Selective subgroup analysis reporting

code:
  v: SEVCO:00331a
display:
  v: selective comparison reporting
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A selective reporting bias due to inappropriate selection of comparison groups for which results or research findings are reported.

code:
  v: SEVCO:00333
display:
  v: selective analysis reporting from repeated analyses at multiple times
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A selective reporting bias due to inappropriate selection of which analyses are reported for an outcome that was analyzed at multiple points in time in a longitudinal study.

code:
  v: SEVCO:00334
display:
  v: selective analysis reporting from multiple analytic models
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A selective reporting bias due to inappropriate selection of which analyses are reported for an outcome that was analyzed in multiple ways.

code:
  v: SEVCO:00335
display:
  v: selective threshold reporting bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A selective reporting bias due to inappropriate selection of which thresholds (used for definitions of the variables) are reported.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Selective cutoff reporting bias

code:
  v: SEVCO:00025
display:
  v: cognitive interpretive bias in reporting
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A distortion in the representation of study results or research findings due to the subjective nature of human interpretation.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Spin bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Cognitive interpretive bias for reporting
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Selective Interpretation Reporting Bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Selective Representation Reporting Bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Cognitive interpretive reporting bias

code:
  v: SEVCO:00338
display:
  v: interpretation of results not addressing potential for bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias in reporting whereby the reported interpretation of results does not adequately address potential for bias.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Interpretation of results not addressing risk of bias

code:
  v: SEVCO:00328
display:
  v: results emphasized based on statistical significance
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias in reporting whereby results with statistical significance are given exaggerated attention.

code:
  v: SEVCO:00340
display:
  v: confirmation bias in reporting
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias in reporting due to the influence of an individual’s ideas, beliefs or hypotheses.

code:
  v: SEVCO:00329
display:
  v: external validity bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A cognitive interpretive bias in reporting due to a mismatch between what the observed data represent and the results that were reported.

code:
  v: SEVCO:00327
display:
  v: early dissemination bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A reporting bias due to publication or reporting of results or research findings that change in subsequent reports.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Preliminary reporting bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Early reporting bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Interim reporting bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Early publication bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Interim publication bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Premature publication bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Preliminary publication bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Premature reporting bias
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Premature dissemination bias

code:
  v: SEVCO:00384
display:
  v: fabrication bias
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A reporting bias resulting from intentional misrepresentation of any part of the study.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Fraud

code:
  v: SEVCO:00325
display:
  v: inadequate reporting of methods
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A reporting bias due to insufficient reporting of methods to determine the validity of the results.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inadequate reporting to assess analytic strategy
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inadequate methods reporting bias

code:
  v: SEVCO:00326
display:
  v: inadequate explanation of participant withdrawals
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A reporting bias due to insufficient reporting of reasons for withdrawals of participants after study enrollment.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: Inadequate explanation of participant attrition

code:
  v: SEVCO:00345
display:
  v: bias related to selection of the studies for synthesis

code:
  v: SEVCO:00346
display:
  v: bias related to selection of the analytic framework for synthesis

code:
  v: SEVCO:00347
display:
  v: inadequate accounting for heterogeneity

code:
  v: SEVCO:00348
display:
  v: inadequate sensitivity analysis

code:
  v: SEVCO:00349
display:
  v: inadequate accounting for bias in constituent studies

code:
  v: SEVCO:00351
display:
  v: inadequate study characteristics available for results interpretation

code:
  v: SEVCO:00352
display:
  v: bias related to selection of the data for synthesis

code:
  v: SEVCO:00353
display:
  v: inadequate criteria for methodologic quality assessment

code:
  v: SEVCO:00354
display:
  v: inadequate process for methodologic quality assessment

code:
  v: SEVCO:00369
display:
  v: inadequate process for data extraction

code:
  v: SEVCO:00356
display:
  v: bias in qualitative research design

code:
  v: SEVCO:00357
display:
  v: bias in qualitative data collection methods

code:
  v: SEVCO:00358
display:
  v: bias in qualitative analysis

code:
  v: SEVCO:00359
display:
  v: unsubstantiated interpretation of results

code:
  v: SEVCO:00360
display:
  v: incoherence among qualitative data, analysis, and interpretation

code:
  v: SEVCO:00361
display:
  v: inadequate rationale for mixed methods design

code:
  v: SEVCO:00362
display:
  v: ineffective integration of qualitative and quantitative study components

code:
  v: SEVCO:00363
display:
  v: inappropriate interpretation of integration of qualitative and quantitative findings

code:
  v: SEVCO:00364
display:
  v: inadequate handling of inconsistency between qualitative and quantitative findings

code:
  v: SEVCO:00368
display:
  v: bias in external validation assessment
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias in validation assessment using a sample source that differs from those used in the derivation of the procedure.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: inadequate external validation assessment

code:
  v: SEVCO:00367
display:
  v: bias in internal validation assessment
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: A bias in validation assessment specific to a validation assessment that uses the same sample source that was used in the derivation of the procedure.
designation:
  use: http://snomed.info/id/900000000000013009
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000013009
    display:
      v: Synonym (core metadata concept)
  value:
    v: inadequate internal validation assessment

code:
  v: SEVCO:00371
display:
  v: early study termination bias due to competing interests
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An early study termination bias due to the decision to end the study being influenced by financial, commercial, legal, political, social, professional, or intellectual interests.

code:
  v: SEVCO:00372
display:
  v: early study termination bias due to unplanned use of interim analysis
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An early study termination bias due to awareness of study results without following a preplanned protocol for how interim results will influence the decision to terminate the study.

code:
  v: SEVCO:00373
display:
  v: early study termination bias due to inappropriate statistical stopping rule
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An early study termination bias due to use of an inappropriate model or threshold in the analysis used for determination to end the study.

code:
  v: SEVCO:00374
display:
  v: early study termination bias due to external factors
designation:
  use: http://snomed.info/id/900000000000550004
    system:
      v: http://snomed.info/sct
      l: sct
    code:
      v: 900000000000550004
    display:
      v: Definition (core metadata concept)
  value:
    v: An early study termination bias due to a decision to end the study based on factors other than the results of interim analysis.