Evidence Variable Handling - HL7 Terminology (THO) v7.4.0

HL7 Terminology (THO)
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HL7 Terminology (THO), published by HL7 International - Vocabulary Work Group. This guide is not an authorized publication; it is the continuous build for version 7.4.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/UTG/ and changes regularly. See the Directory of published versions

ValueSet: Evidence Variable Handling

Official URL: http://terminology.hl7.org/ValueSet/evidence-variable-handling		Version: 2.0.0	Highlight text changes?
Standards status: Trial-use	Maturity Level: 2	Responsible: Health Level Seven International	Computable Name: EvidenceVariableHandling
Copyright/Legal: This material derives from the HL7 Terminology (THO). THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license

The types of values that can be assumed by the variable

References

This value set is not used here; it may be used elsewhere (e.g. specifications and/or implementations that use this content)

Logical Definition (CLD)

Last updated: 2022-05-12 12:40:00+0000

Profile: Shareable ValueSet

Include these codes as defined in https://fevir.net/sevco version 📍3.0

Expansion

Expansion performed internally based on codesystem Scientific Evidence Code System (SEVCO) -- Release 3.0 v3.0 (CodeSystem)

This value set contains 17 concepts

System	Code	Display (en)	Definition	JSON	XML
`https://fevir.net/sevco`	STATO:0000252	categorical variable	A variable that can assume values from only a finite set of values.
`https://fevir.net/sevco`	STATO:0000721	nominal variable	A categorical variable for which the meanings of the categories do not have an ordered relationship.
`https://fevir.net/sevco`	STATO:0000090	dichotomous variable	A nominal variable that can assume values from 2 discrete possible values.
`https://fevir.net/sevco`	STATO:0000724	boolean variable	A nominal variable that can assume values from 2 discrete possible values, True of False.
`https://fevir.net/sevco`	STATO:0000087	polychotomous variable	A nominal variable that can assume values from 3 or more discrete possible values.
`https://fevir.net/sevco`	STATO:0000228	ordinal variable	A categorical variable where the discrete possible values are ordered or correspond to an implicit ranking.
`https://fevir.net/sevco`	STATO:0000725	dichotomous ordinal variable	An ordinal variable that can assume values from 2 discrete possible values.
`https://fevir.net/sevco`	STATO:0000726	polychotomous ordinal variable	An ordinal variable that can assume values from 3 or more discrete possible values.
`https://fevir.net/sevco`	STATO:0000732	multi-value categorical variable	A categorical variable that can assume two or more values simultaneously.
`https://fevir.net/sevco`	STATO:0000722	quantitative variable	A variable that can assume numerical values, with or without units of measure.
`https://fevir.net/sevco`	STATO:0000723	discrete variable	A quantitative variable for which only integer values are allowed.
`https://fevir.net/sevco`	STATO:0000251	continuous variable	A quantitative variable for which, within the allowable range, any value is possible.
`https://fevir.net/sevco`	STATO:0000727	interval variable	A continuous variable with ordered, equally spaced units where the difference between values is meaningful, but no true zero point exists.
`https://fevir.net/sevco`	STATO:0000728	date variable	An interval variable for which allowable values represent a point in time on a calendar with a year, with or without a month, and with or without a day.
`https://fevir.net/sevco`	STATO:0000729	dateTime variable	An interval variable for which allowable values represent a point in time on a calendar, with a year, month, and day, and on a clock, with hours, minutes, and seconds.
`https://fevir.net/sevco`	STATO:0000730	ratio variable	A continuous variable with a true zero point and ordered, equally spaced units where the difference between values is meaningful.
`https://fevir.net/sevco`	STATO:0000731	time-to-event variable	A ratio variable representing the duration of observation until the event occurred, conditioned on the event occurring.

Description of the above table(s).

History

Date

Action

Custodian

Author

Comment

2026-09-19

revise

UTG Content Curator

Marc Duteau

Update evidence-variable-handling to use SEVCO version 3.0; up-843

2026-06-11

create

CDS

Joanne Dehnsbostel

Create a non-example ValueSet for evidence variable handling; up-801

IG © 2020+ HL7 International - Vocabulary Work Group. Package hl7.terminology#7.4.0 based on FHIR 5.0.0. Generated 2026-09-20
Links: Table of Contents | QA Report | Version History external | | Propose a change

Code	Display	Definition	Definition (core metadata concept)	Synonym (core metadata concept)
STATO:0000252	categorical variable	A variable that can assume values from only a finite set of values.	A variable that can assume values from only a finite set of values.
STATO:0000721	nominal variable	A categorical variable for which the meanings of the categories do not have an ordered relationship.	A categorical variable for which the meanings of the categories do not have an ordered relationship.
STATO:0000090	dichotomous variable	A nominal variable that can assume values from 2 discrete possible values.	A nominal variable that can assume values from 2 discrete possible values.	binary nominal variable
STATO:0000724	boolean variable	A nominal variable that can assume values from 2 discrete possible values, True of False.	A nominal variable that can assume values from 2 discrete possible values, True of False.	Boolean variable
STATO:0000087	polychotomous variable	A nominal variable that can assume values from 3 or more discrete possible values.	A nominal variable that can assume values from 3 or more discrete possible values.	polychotomous nominal variable
STATO:0000228	ordinal variable	A categorical variable where the discrete possible values are ordered or correspond to an implicit ranking.	A categorical variable where the discrete possible values are ordered or correspond to an implicit ranking.
STATO:0000725	dichotomous ordinal variable	An ordinal variable that can assume values from 2 discrete possible values.	An ordinal variable that can assume values from 2 discrete possible values.	binary ordinal variable
STATO:0000726	polychotomous ordinal variable	An ordinal variable that can assume values from 3 or more discrete possible values.	An ordinal variable that can assume values from 3 or more discrete possible values.
STATO:0000732	multi-value categorical variable	A categorical variable that can assume two or more values simultaneously.	A categorical variable that can assume two or more values simultaneously.	multilabel categorical variable
STATO:0000722	quantitative variable	A variable that can assume numerical values, with or without units of measure.	A variable that can assume numerical values, with or without units of measure.
STATO:0000723	discrete variable	A quantitative variable for which only integer values are allowed.	A quantitative variable for which only integer values are allowed.
STATO:0000251	continuous variable	A quantitative variable for which, within the allowable range, any value is possible.	A quantitative variable for which, within the allowable range, any value is possible.
STATO:0000727	interval variable	A continuous variable with ordered, equally spaced units where the difference between values is meaningful, but no true zero point exists.	A continuous variable with ordered, equally spaced units where the difference between values is meaningful, but no true zero point exists.
STATO:0000728	date variable	An interval variable for which allowable values represent a point in time on a calendar with a year, with or without a month, and with or without a day.	An interval variable for which allowable values represent a point in time on a calendar with a year, with or without a month, and with or without a day.
STATO:0000729	dateTime variable	An interval variable for which allowable values represent a point in time on a calendar, with a year, month, and day, and on a clock, with hours, minutes, and seconds.	An interval variable for which allowable values represent a point in time on a calendar, with a year, month, and day, and on a clock, with hours, minutes, and seconds.
STATO:0000730	ratio variable	A continuous variable with a true zero point and ordered, equally spaced units where the difference between values is meaningful.	A continuous variable with a true zero point and ordered, equally spaced units where the difference between values is meaningful.
STATO:0000731	time-to-event variable	A ratio variable representing the duration of observation until the event occurred, conditioned on the event occurring.	A ratio variable representing the duration of observation until the event occurred, conditioned on the event occurring.