Evidencevariable-example-mRS0-2-at-90days.xml

Modified Rankin Scale score 0-2 at 90 days after treatment (id = "example-mRS0-2-at-90days")

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

<EvidenceVariable xmlns="http://hl7.org/fhir">
  <id value="example-mRS0-2-at-90days"/> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p> 
        &quot;mRS 0-2 at 90 days&quot; is an outcome, defined by a CQL expression, used
         in expressing what an Evidence is about.
      </p> 
  </div> 
  </text> 
  <title value="Modified Rankin Scale score 0-2 at 90 days after treatment"/> 
  <status value="draft"/> 
  <useContext> 
    <code> 
      <system value="http://terminology.hl7.org/CodeSystem/usage-context-type"/> 
      <code value="focus"/> 
    </code> 
    <valueCodeableConcept> 
      <text value="Stroke"/> 
    </valueCodeableConcept> 
  </useContext> 
  <actual value="true"/> 
  <characteristic> 
    <description value="mRS 0-2 at 90 days"/> 
    <definitionExpression> 
      <description value="mRS 0-2"/> 
      <language value="text/cql"/> 
      <expression value="[&quot;Observation&quot;: code in &quot;75859-9|LOINC&quot;] mRS where mRS.value between
       0 and 2"/> 
    </definitionExpression> 
    <timeFromStart> 
      <quantity> 
        <value value="90"/> 
        <unit value="day"/> 
        <system value="http://unitsofmeasure.org"/> 
        <code value="d"/> 
      </quantity> 
    </timeFromStart> 
  </characteristic> 
  <handling value="dichotomous"/> 
</EvidenceVariable>