HL7 Terminology (THO)
7.2.0 - Publication
HL7 Terminology (THO)
7.2.0 - Publication
This page is part of the HL7 Terminology (v7.2.0: Release) based on FHIR (HL7® FHIR® Standard) v5.0.0. This is the current published version. For a full list of available versions, see the Directory of published versions
| Page standards status: Trial-use | Maturity Level: 2 |
{
"resourceType" : "ValueSet",
"id" : "evidence-variable-handling",
"meta" : {
"lastUpdated" : "2022-05-12T12:40:00+00:00",
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🔗 "http://hl7.org/fhir/StructureDefinition/shareablevalueset"
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"text" : {
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"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: ValueSet evidence-variable-handling</b></p><a name=\"evidence-variable-handling\"> </a><a name=\"hcevidence-variable-handling\"> </a><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Last updated: 2022-05-12 12:40:00+0000</p><p style=\"margin-bottom: 0px\">Profile: <a href=\"http://hl7.org/fhir/R5/shareablevalueset.html\">Shareable ValueSet</a></p></div><ul><li>Include these codes as defined in <a href=\"http://tx.fhir.org/r5\"><code>https://fevir.net/sevco</code></a><span title=\"Version is explicitly stated to be 2.0\"> version 📍2.0</span><table class=\"none\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition (core metadata concept)</b></td><td><b>Synonym (core metadata concept)</b></td></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000252\">STATO:0000252</a></td><td>categorical variable</td><td>A variable that can assume values from only a finite set of values.</td><td/></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000721\">STATO:0000721</a></td><td>nominal variable</td><td>A categorical variable for which the meanings of the categories do not have an ordered relationship.</td><td/></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000090\">STATO:0000090</a></td><td>dichotomous variable</td><td>A nominal variable that can assume values from 2 discrete possible values.</td><td>binary nominal variable</td></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000724\">STATO:0000724</a></td><td>boolean variable</td><td>A nominal variable that can assume values from 2 discrete possible values, True of False.</td><td>Boolean variable</td></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000087\">STATO:0000087</a></td><td>polychotomous variable</td><td>A nominal variable that can assume values from 3 or more discrete possible values.</td><td>polychotomous nominal variable</td></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000228\">STATO:0000228</a></td><td>ordinal variable</td><td>A categorical variable where the discrete possible values are ordered or correspond to an implicit ranking.</td><td/></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000725\">STATO:0000725</a></td><td>dichotomous ordinal variable</td><td>An ordinal variable that can assume values from 2 discrete possible values.</td><td>binary ordinal variable</td></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000726\">STATO:0000726</a></td><td>polychotomous ordinal variable</td><td>An ordinal variable that can assume values from 3 or more discrete possible values.</td><td/></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000732\">STATO:0000732</a></td><td>multi-value categorical variable</td><td>A categorical variable that can assume two or more values simultaneously.</td><td>multilabel categorical variable</td></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000722\">STATO:0000722</a></td><td>quantitative variable</td><td>A variable that can assume numerical values, with or without units of measure.</td><td/></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000723\">STATO:0000723</a></td><td>discrete variable</td><td>A quantitative variable for which only integer values are allowed.</td><td/></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000251\">STATO:0000251</a></td><td>continuous variable</td><td>A quantitative variable for which, within the allowable range, any value is possible.</td><td/></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000727\">STATO:0000727</a></td><td>interval variable</td><td>A continuous variable with ordered, equally spaced units where the difference between values is meaningful, but no true zero point exists.</td><td/></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000728\">STATO:0000728</a></td><td>date variable</td><td>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.</td><td/></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000729\">STATO:0000729</a></td><td>dateTime variable</td><td>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.</td><td/></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000730\">STATO:0000730</a></td><td>ratio variable</td><td>A continuous variable with a true zero point and ordered, equally spaced units where the difference between values is meaningful.</td><td/></tr><tr><td><a href=\"http://tx.fhir.org/r5/ValueSet/SEVCO#SEVCO-STATO.580000731\">STATO:0000731</a></td><td>time-to-event variable</td><td>A ratio variable representing the duration of observation until the event occurred, conditioned on the event occurring.</td><td/></tr></table></li></ul></div>"
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"url" : "http://terminology.hl7.org/ValueSet/evidence-variable-handling",
"version" : "1.0.0",
"name" : "EvidenceVariableHandling",
"title" : "Evidence Variable Handling",
"status" : "active",
"experimental" : false,
"date" : "2026-05-18T12:40:00+00:00",
"publisher" : "Health Level Seven International",
"contact" : [
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"value" : "http://hl7.org"
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],
"description" : "The types of values that can be assumed by the variable",
"immutable" : true,
"copyright" : "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",
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"concept" : [
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"code" : "STATO:0000252",
"display" : "categorical variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
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"value" : "A variable that can assume values from only a finite set of values."
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{
"code" : "STATO:0000721",
"display" : "nominal variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
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"value" : "A categorical variable for which the meanings of the categories do not have an ordered relationship."
}
]
},
{
"code" : "STATO:0000090",
"display" : "dichotomous variable",
"designation" : [
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"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
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"value" : "A nominal variable that can assume values from 2 discrete possible values."
},
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000013009",
"display" : "Synonym (core metadata concept)"
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"value" : "dichotomous nominal variable"
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{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000013009",
"display" : "Synonym (core metadata concept)"
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"value" : "binary variable"
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{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000013009",
"display" : "Synonym (core metadata concept)"
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"value" : "binary nominal variable"
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]
},
{
"code" : "STATO:0000724",
"display" : "boolean variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
},
"value" : "A nominal variable that can assume values from 2 discrete possible values, True of False."
},
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000013009",
"display" : "Synonym (core metadata concept)"
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"value" : "Boolean variable"
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]
},
{
"code" : "STATO:0000087",
"display" : "polychotomous variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
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"value" : "A nominal variable that can assume values from 3 or more discrete possible values."
},
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000013009",
"display" : "Synonym (core metadata concept)"
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"value" : "polychotomous nominal variable"
}
]
},
{
"code" : "STATO:0000228",
"display" : "ordinal variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
},
"value" : "A categorical variable where the discrete possible values are ordered or correspond to an implicit ranking."
}
]
},
{
"code" : "STATO:0000725",
"display" : "dichotomous ordinal variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
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"value" : "An ordinal variable that can assume values from 2 discrete possible values."
},
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000013009",
"display" : "Synonym (core metadata concept)"
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"value" : "binary ordinal variable"
}
]
},
{
"code" : "STATO:0000726",
"display" : "polychotomous ordinal variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
},
"value" : "An ordinal variable that can assume values from 3 or more discrete possible values."
}
]
},
{
"code" : "STATO:0000732",
"display" : "multi-value categorical variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
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"value" : "A categorical variable that can assume two or more values simultaneously."
},
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000013009",
"display" : "Synonym (core metadata concept)"
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"value" : "multiple-value-allowed categorical variable"
},
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000013009",
"display" : "Synonym (core metadata concept)"
},
"value" : "multilabel categorical variable"
}
]
},
{
"code" : "STATO:0000722",
"display" : "quantitative variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
},
"value" : "A variable that can assume numerical values, with or without units of measure."
}
]
},
{
"code" : "STATO:0000723",
"display" : "discrete variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
},
"value" : "A quantitative variable for which only integer values are allowed."
}
]
},
{
"code" : "STATO:0000251",
"display" : "continuous variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
},
"value" : "A quantitative variable for which, within the allowable range, any value is possible."
}
]
},
{
"code" : "STATO:0000727",
"display" : "interval variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
},
"value" : "A continuous variable with ordered, equally spaced units where the difference between values is meaningful, but no true zero point exists."
}
]
},
{
"code" : "STATO:0000728",
"display" : "date variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
},
"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."
}
]
},
{
"code" : "STATO:0000729",
"display" : "dateTime variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
},
"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."
}
]
},
{
"code" : "STATO:0000730",
"display" : "ratio variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
},
"value" : "A continuous variable with a true zero point and ordered, equally spaced units where the difference between values is meaningful."
}
]
},
{
"code" : "STATO:0000731",
"display" : "time-to-event variable",
"designation" : [
{
"use" : {
"system" : "http://snomed.info/sct",
"code" : "900000000000550004",
"display" : "Definition (core metadata concept)"
},
"value" : "A ratio variable representing the duration of observation until the event occurred, conditioned on the event occurring."
}
]
}
]
}
]
}
}
IG © 2020+ HL7 International - Vocabulary Work Group.
Package hl7.terminology#7.2.0 based on FHIR 5.0.0.
Generated
2026-06-14
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