---
type: "example"
title: "EvidenceVariable Example: evidencevariable-example-group-assignment"
resource: "EvidenceVariable"
example: "evidencevariable-example-group-assignment"
---
# EvidenceVariable Example: evidencevariable-example-group-assignment

## Example XML



```xml
<?xml version="1.0" encoding="UTF-8"?>

<EvidenceVariable xmlns="http://hl7.org/fhir">
	<id value="example-group-assignment"/>
	<meta>
		<versionId value="1"/>
		<lastUpdated value="2024-12-17T19:40:19.291Z"/>
		<profile value="http://hl7.org/fhir/uv/ebm/StructureDefinition/group-assignment"/>
	</meta>
	<url value="http://hl7.org/fhir/EvidenceVariable/example-group-assignment"/>
	<identifier>
		<type>
			<text value="FEvIR Object Identifier"/>
		</type>
		<system value="urn:ietf:rfc:3986"/>
		<value value="https://fevir.net/FOI/297490"/>
		<assigner>
			<display value="Computable Publishing LLC"/>
		</assigner>
	</identifier>
	<title value="GroupAssignment: Jumping from aircraft with parachute vs. Jumping from aircraft with empty backpack"/>
	<status value="active"/>
	<author>
		<name value="Joanne Dehnbostel"/>
	</author>
	<publisher value="Computable Publishing LLC"/>
	<contact>
		<telecom>
			<system value="email"/>
			<value value="support@computablepublishing.com"/>
		</telecom>
	</contact>
	<description value="This EvidenceVariable Resource (GroupAssignment Profile) describes a 2-group study (so handling=&apos;dichotomous&apos;) and lists the 2 study arms in category.name elements. Because the definition of this EvidenceVariable Resource is fully expressed in the handling and category elements, the defintion.concept element uses a CodeableConcept for &apos;Defined in handling and category elements&apos;."/>
	<useContext>
		<code>
			<system value="https://fevir.net/resources/CodeSystem/179423"/>
			<code value="evidence-communication"/>
			<display value="Evidence Communication"/>
		</code>
		<valueCodeableConcept>
			<coding>
				<system value="https://fevir.net/resources/CodeSystem/179423"/>
				<code value="GroupAssignment"/>
				<display value="GroupAssignment"/>
			</coding>
		</valueCodeableConcept>
	</useContext>
	<copyright value="https://creativecommons.org/licenses/by-nc-sa/4.0/"/>
	<definition>
		<concept>
			<coding>
				<system value="https://fevir.net/resources/CodeSystem/179423"/>
				<code value="defined-in-handling-and-category"/>
				<display value="Defined in handling and category elements"/>
			</coding>
		</concept>
	</definition>
	<handling value="dichotomous"/>
	<category>
		<name value="Jumping from aircraft with parachute"/>
		<valueReference>
			<reference value="Group/297486"/>
			<type value="Group"/>
			<display value="Jumping from aircraft with parachute"/>
		</valueReference>
	</category>
	<category>
		<name value="Jumping from aircraft with empty backpack"/>
		<valueReference>
			<reference value="Group/297488"/>
			<type value="Group"/>
			<display value="Jumping from aircraft with empty backpack"/>
		</valueReference>
	</category>
</EvidenceVariable>
```