This page is part of the HL7 Terminology (v4.0.0: Release) based on FHIR R4. The current version which supercedes this version is 5.2.0. For a full list of available versions, see the Directory of published versions 
: EvidenceVariableRole - XML Representation
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<CodeSystem xmlns="http://hl7.org/fhir">
<id value="variable-role"/>
<meta>
<lastUpdated value="2020-04-09T21:10:28.568+00:00"/>
</meta>
<text>
<status value="generated"/>
<div xmlns="http://www.w3.org/1999/xhtml"><p>This code system <code>http://terminology.hl7.org/CodeSystem/variable-role</code> defines the following codes:</p><table class="codes"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style="white-space:nowrap">population<a name="variable-role-population"> </a></td><td>population</td><td>variable represents a population.</td></tr><tr><td style="white-space:nowrap">subpopulation<a name="variable-role-subpopulation"> </a></td><td>subpopulation</td><td>variable represents a subpopulation.</td></tr><tr><td style="white-space:nowrap">exposure<a name="variable-role-exposure"> </a></td><td>exposure</td><td>variable represents an exposure.</td></tr><tr><td style="white-space:nowrap">referenceExposure<a name="variable-role-referenceExposure"> </a></td><td>reference exposure</td><td>variable represents a reference exposure.</td></tr><tr><td style="white-space:nowrap">measuredVariable<a name="variable-role-measuredVariable"> </a></td><td>measured variable</td><td>variable represents a measured variable.</td></tr><tr><td style="white-space:nowrap">confounder<a name="variable-role-confounder"> </a></td><td>confounder</td><td>variable represents a confounder.</td></tr></table></div>
</text>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
<valueCode value="cds"/>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
<valueCode value="trial-use"/>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
<valueInteger value="0"/>
</extension>
<url value="http://terminology.hl7.org/CodeSystem/variable-role"/>
<identifier>
<system value="urn:ietf:rfc:3986"/>
<value value="urn:oid:2.16.840.1.113883.4.642.1.1457"/>
</identifier>
<version value="0.1.0"/>
<name value="EvidenceVariableRole"/>
<title value="EvidenceVariableRole"/>
<status value="draft"/>
<experimental value="false"/>
<date value="2020-04-09T21:10:28+00:00"/>
<publisher value="HL7 (FHIR Project)"/>
<contact>
<telecom>
<system value="url"/>
<value value="http://hl7.org/fhir"/>
</telecom>
<telecom>
<system value="email"/>
<value value="fhir@lists.hl7.org"/>
</telecom>
</contact>
<description value="The role that the assertion variable plays."/>
<caseSensitive value="true"/>
<valueSet value="http://terminology.hl7.org/ValueSet/variable-role"/>
<content value="complete"/>
<concept>
<code value="population"/>
<display value="population"/>
<definition value="variable represents a population."/>
</concept>
<concept>
<code value="subpopulation"/>
<display value="subpopulation"/>
<definition value="variable represents a subpopulation."/>
</concept>
<concept>
<code value="exposure"/>
<display value="exposure"/>
<definition value="variable represents an exposure."/>
</concept>
<concept>
<code value="referenceExposure"/>
<display value="reference exposure"/>
<definition value="variable represents a reference exposure."/>
</concept>
<concept>
<code value="measuredVariable"/>
<display value="measured variable"/>
<definition value="variable represents a measured variable."/>
</concept>
<concept>
<code value="confounder"/>
<display value="confounder"/>
<definition value="variable represents a confounder."/>
</concept>
</CodeSystem>
