---
type: "example"
title: "EvidenceVariable Example: evidencevariable-example-mRS3-6-at-90days"
resource: "EvidenceVariable"
example: "evidencevariable-example-mRS3-6-at-90days"
---
# EvidenceVariable Example: evidencevariable-example-mRS3-6-at-90days

## Narrative

"mRS 3-6 at 90 days" is an outcome, defined by a CQL expression, used in expressing what an Evidence is about.

## Example XML



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

<EvidenceVariable xmlns="http://hl7.org/fhir">
  <id value="example-mRS3-6-at-90days"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml">
      
      <p>
        &quot;mRS 3-6 at 90 days&quot; is an outcome, defined by a CQL expression, used in expressing what an Evidence is about.
      </p>
	
    </div>
  </text>
  <contained>
	<Group>
		<id value="Definition-Group"/>
		<title value="VariableDefinition: mRS 3-6 at 90 days"/>
		<type value="person"/>
		<membership value="definitional"/>
		<characteristic>
   		  <code>
   		    <coding>
   		      <system value="http://snomed.info/sct"/>
   		      <code value="260905004"/>
   		      <display value="Condition"/>
   		    </coding>
   		  </code>
   		  <valueExpression>
   		    <description value="mRS 3-6"/>
  		    <language value="text/cql"/>
   		    <expression value="[&quot;Observation&quot;: code in &quot;75859-9|LOINC&quot;] mRS where mRS.value between 3 and 6"/>
  		  </valueExpression>
  		  <exclude value="false"/>
   		  <description value="mRS 3-6 at 90 days"/>
   		  <timing>
   		    <contextCode>
   		      <coding>
   		        <system value="http://hl7.org/fhir/evidence-variable-event"/>
   		        <code value="study-start"/>
   		        <display value="Study Start"/>
   		      </coding>
   		    </contextCode>
   		    <offsetDuration>
   		      <value value="90"/>
   		      <unit value="days"/>
   		      <system value="http://unitsofmeasure.org"/>
   		      <code value="d"/>
   		    </offsetDuration>
   		  </timing>
		</characteristic>
	</Group>
  </contained>
  <name value="ModifiedRankinScaleScore36At90DaysAfterTreatment"/>
  <title value="Modified Rankin Scale score 3-6 at 90 days after treatment"/>
  <status value="draft"/>
  <description value="Modified Rankin Scale score 3-6 at 90 days after treatment"/>
  <actual value="true"/>
    <definition>
	  <reference>
		<reference value="#Definition-Group"/>
	  </reference>
    </definition>
  <handling value="dichotomous"/>
</EvidenceVariable>
```