Evidence Based Medicine on FHIR Implementation Guide
1.0.0-ballot - ballot International flag

Evidence Based Medicine on FHIR Implementation Guide, published by HL7 International / Clinical Decision Support. This guide is not an authorized publication; it is the continuous build for version 1.0.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/ebm/ and changes regularly. See the Directory of published versions

Example Evidence: ComparativeEvidence: Bypass surgery effects on Additional GI surgical procedure in JAMA 2018 Norwegian cohort study

Active as of 2022-09-19

Generated Narrative: Evidence

Resource Evidence "104157" Version "12" Updated "2023-12-06 00:52:08+0000"

Profiles: ComparativeEvidence, SingleStudyEvidence

url: https://fevir.net/resources/Evidence/104157

identifier: FEvIR Object Identifier/104157

version: 1.0.0-ballot

name: ComparativeEvidence_Bypass_surgery_effects_on_Additional_GI_surgical_procedure_in_JAMA_2018_Norwegian_cohort_study

title: ComparativeEvidence: Bypass surgery effects on Additional GI surgical procedure in JAMA 2018 Norwegian cohort study

status: active

date: 2022-09-19 21:15:43+0000

publisher: HL7 International / Clinical Decision Support

contact: HL7 International / Clinical Decision Support: http://www.hl7.org/Special/committees/dss

author: Brian S. Alper:

UseContexts

-CodeValue[x]
*Evidence Communication (Details: https://fevir.net/resources/CodeSystem/179423 code evidence-communication = 'Evidence Communication', stated as 'Evidence Communication')ComparativeEvidence (Evidence Based Medicine on FHIR Implementation Guide Code System#ComparativeEvidence)
*Evidence Communication (Details: https://fevir.net/resources/CodeSystem/179423 code evidence-communication = 'Evidence Communication', stated as 'Evidence Communication')SingleStudyEvidence (Evidence Based Medicine on FHIR Implementation Guide Code System#SingleStudyEvidence)

copyright: https://creativecommons.org/licenses/by-nc-sa/4.0/

relatedArtifact

type: derived-from

document

relatedArtifact

type: cite-as

citation: ComparativeEvidence: Bypass surgery effects on Additional GI surgical procedure in JAMA 2018 Norwegian cohort study [Evidence]. Contributors: Brian S. Alper [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 104157. Revised 2022-09-19. Available at: https://fevir.net/resources/Evidence/104157. Computable resource at: https://fevir.net/resources/Evidence/104157.

description: Surgical patients had a greater risk for undergoing at least 1 additional gastrointestinal surgical procedure (AR, 31.3% vs 15.5%; RD, 15.8% [95% CI, 13.1%-18.5%]; RR, 2.0 [95% CI, 1.7-2.4]).

assertion: Compared with specialized medical treatment, bariatric surgery appears to increase the rate of additional gastrointestinal surgical procedures.

variableDefinition

VariableDefinitionVariableRoleCode: population

description: Cohort study with baseline data of exposures from November 2005 through July 2010 and follow-up data from 2006 until death or through December 2015 at a tertiary care outpatient center, Vestfold Hospital Trust, Norway. Consecutive treatment-seeking adult patients (n = 2109) with severe obesity assessed (221 patients excluded and 1888 patients included).

note: population

variableRole: Use extension:variableRoleCode instead. (EvidenceVariableRole#population "population")

observed: Group/178427: StudyGroup: Severely Obese Adults 2018 Norwegian Cohort "Severely_Obese_Adults_2018_Norwegian_Cohort"

variableDefinition

VariableDefinitionVariableRoleCode: exposure

VariableDefinitionComparatorCategory: no bariatric surgery

description: bariatric surgery vs. specialized medical treatment without bariatric surgery

note: exposure

variableRole: Use extension:variableRoleCode instead. (EvidenceVariableRole#exposure "exposure")

observed: EvidenceVariable/172427: GroupAssignment: Bariatric Surgery vs. no bariatric surgery "GroupAssignment_Bariatric_Surgery_vs_no_bariatric_surgery"

variableDefinition

VariableDefinitionVariableRoleCode: outcome

description: Additional GI surgical procedure

note: outcome

variableRole: Use extension:variableRoleCode instead. (EvidenceVariableRole#measuredVariable "measured variable")

observed: EvidenceVariable/104120: OutcomeVariable: Additional GI surgical procedure "OutcomeVariable_Additional_GI_surgical_procedure"

synthesisType: not applicable (StatisticSynthesisType#NotApplicable)

studyDesign: Observational research (Study Design#SEVCO:01002), Parallel cohort design (Study Design#SEVCO:01011), Longitudinal data collection (Study Design#SEVCO:01028)

statistic

description: Relative risk 2.0; 95% CI 1.7 to 2.4

note: Result observed without bariatric surgery was 15.5%, result observed with bariatric surgery was 31.3%

statisticType: Relative Risk (StatisticStatisticType#C93152)

quantity: 2

SampleSizes

-NumberOfStudiesNumberOfParticipantsKnownDataCount
*118881888

AttributeEstimates

-DescriptionTypeLevelRange
*95% CI 1.7 to 2.4Confidence interval (StatisticAttribute Estimate Type#C53324)0.951.7-2.4

Certainties

-DescriptionTypeRating
*rated down 2 levels due to observational study, rated up 1 level for large effect sizeOverall certainty (Evidence Certainty Type#Overall)Moderate quality (StatisticCertaintyRating#moderate)