<status value="active"/> <experimental value="false"/> <date value="2026-05-18T12:40:00+00:00"/> <publisher value="Health Level Seven International"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org"/> </telecom> <telecom> <system value="email"/> <value value="hq@HL7.org"/> </telecom> </contact> <description value="The types of values that can be assumed by the variable"/> <immutable value="true"/> <copyright value="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"/> <compose> <include> <system value="https://fevir.net/sevco"/> <version value="2.0"/> <concept> <code value="STATO:0000252"/> <display value="categorical variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="A variable that can assume values from only a finite set of values."/> </designation> </concept> <concept> <code value="STATO:0000721"/> <display value="nominal variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="A categorical variable for which the meanings of the categories do not have an ordered relationship."/> </designation> </concept> <concept> <code value="STATO:0000090"/> <display value="dichotomous variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="A nominal variable that can assume values from 2 discrete possible values."/> </designation> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000013009"/> <display value="Synonym (core metadata concept)"/> </use> <value value="dichotomous nominal variable"/> </designation> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000013009"/> <display value="Synonym (core metadata concept)"/> </use> <value value="binary variable"/> </designation> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000013009"/> <display value="Synonym (core metadata concept)"/> </use> <value value="binary nominal variable"/> </designation> </concept> <concept> <code value="STATO:0000724"/> <display value="boolean variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="A nominal variable that can assume values from 2 discrete possible values, True of False."/> </designation> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000013009"/> <display value="Synonym (core metadata concept)"/> </use> <value value="Boolean variable"/> </designation> </concept> <concept> <code value="STATO:0000087"/> <display value="polychotomous variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="A nominal variable that can assume values from 3 or more discrete possible values."/> </designation> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000013009"/> <display value="Synonym (core metadata concept)"/> </use> <value value="polychotomous nominal variable"/> </designation> </concept> <concept> <code value="STATO:0000228"/> <display value="ordinal variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="A categorical variable where the discrete possible values are ordered or correspond to an implicit ranking."/> </designation> </concept> <concept> <code value="STATO:0000725"/> <display value="dichotomous ordinal variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="An ordinal variable that can assume values from 2 discrete possible values."/> </designation> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000013009"/> <display value="Synonym (core metadata concept)"/> </use> <value value="binary ordinal variable"/> </designation> </concept> <concept> <code value="STATO:0000726"/> <display value="polychotomous ordinal variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="An ordinal variable that can assume values from 3 or more discrete possible values."/> </designation> </concept> <concept> <code value="STATO:0000732"/> <display value="multi-value categorical variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="A categorical variable that can assume two or more values simultaneously."/> </designation> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000013009"/> <display value="Synonym (core metadata concept)"/> </use> <value value="multiple-value-allowed categorical variable"/> </designation> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000013009"/> <display value="Synonym (core metadata concept)"/> </use> <value value="multilabel categorical variable"/> </designation> </concept> <concept> <code value="STATO:0000722"/> <display value="quantitative variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="A variable that can assume numerical values, with or without units of measure."/> </designation> </concept> <concept> <code value="STATO:0000723"/> <display value="discrete variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="A quantitative variable for which only integer values are allowed."/> </designation> </concept> <concept> <code value="STATO:0000251"/> <display value="continuous variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="A quantitative variable for which, within the allowable range, any value is possible."/> </designation> </concept> <concept> <code value="STATO:0000727"/> <display value="interval variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="A continuous variable with ordered, equally spaced units where the difference between values is meaningful, but no true zero point exists."/> </designation> </concept> <concept> <code value="STATO:0000728"/> <display value="date variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="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."/> </designation> </concept> <concept> <code value="STATO:0000729"/> <display value="dateTime variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="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."/> </designation> </concept> <concept> <code value="STATO:0000730"/> <display value="ratio variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="A continuous variable with a true zero point and ordered, equally spaced units where the difference between values is meaningful."/> </designation> </concept> <concept> <code value="STATO:0000731"/> <display value="time-to-event variable"/> <designation> <use> <system value="http://snomed.info/sct"/> <code value="900000000000550004"/> <display value="Definition (core metadata concept)"/> </use> <value value="A ratio variable representing the duration of observation until the event occurred, conditioned on the event occurring."/> </designation> </concept> </include> </compose> </ValueSet>

Generated Narrative: ValueSet evidence-variable-handling

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

Include these codes as defined in https://fevir.net/sevco version 📍2.0

Code	Display	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.
STATO:0000721	nominal variable	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.	binary nominal variable
STATO:0000724	boolean variable	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.	polychotomous nominal variable
STATO:0000228	ordinal variable	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.	binary ordinal variable
STATO:0000726	polychotomous ordinal variable	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.	multilabel categorical variable
STATO:0000722	quantitative variable	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.
STATO:0000251	continuous variable	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.
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.
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.
STATO:0000730	ratio variable	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.