<?xml version="1.0" encoding="UTF-8"?><Evidence xmlns="http://hl7.org/fhir">
  <id value="example-quoted-source"/>
  <meta>
    <security>
      <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/>
      <code value="HTEST"/>
      <display value="test health data"/>
    </security>
  </meta>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="cds"/>
  </extension>
  <!--     <extension url="http://hl7.org/fhir/StructureDefinition/relates-to-with-quotation">
        <extension url="type">
            <valueCode value="derived-from"/>
        </extension>
        <extension url="quotation">
            <valueMarkdown value="Prevalence of PASC at 30 days post-infection was 68.7% (95% confidence interval: 63.4, 73.9)."/>
        </extension>
        <extension url="targetReference">
            <valueReference>
                <reference value="Citation/238142"/>
                <type value="Citation"/>
                <display value="34347785 Post-acute sequelae of COVID-19 in a non-hospitalized cohort: Results from the Arizona CoVHORT"/>
            </valueReference>
        </extension>
    </extension> ! -->
  <title value="Quoted Source: Prevalence of PASC at 30 days"/>
  <status value="active"/>
  <publisher value="HL7 International / Clinical Decision Support"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/dss"/>
    </telecom>
  </contact>
  <description value="An example of using the relatedArtifact element to quote a line of text from the evidence source."/>
  <variableDefinition>
    <description value="People with a history of COVID-19 who were not hospitalized (Arizona CoVHORT)"/>
    <variableRole value="population"/>
  </variableDefinition>
  <variableDefinition>
    <description value="Post-acute sequelae of COVID-19"/>
    <variableRole value="outcome"/>
  </variableDefinition>
  <studyDesign>
    <coding>
      <system value="https://fevir.net/sevco"/>
      <code value="SEVCO:01002"/>
      <display value="Observational research"/>
    </coding>
    <coding>
      <system value="https://fevir.net/sevco"/>
      <code value="SEVCO:01028"/>
      <display value="Longitudinal data collection"/>
    </coding>
  </studyDesign>
  <statistic>
    <description value="Prevalence 68.7% (95% Confidence interval 63.4% to 73.9%)"/>
    <statisticType>
      <coding>
        <system value="https://fevir.net/resources/CodeSystem/27270"/>
        <code value="STATO:0000412"/>
        <display value="prevalence"/>
      </coding>
    </statisticType>
    <quantity>
      <value value="68.7"/>
      <unit value="%"/>
      <system value="http://unitsofmeasure.org"/>
      <code value="%"/>
    </quantity>
    <attributeEstimate>
      <description value="95% Confidence interval 63.4% to 73.9%"/>
      <type>
        <coding>
          <system value="https://fevir.net/resources/CodeSystem/27270"/>
          <code value="TBD:0000059"/>
          <display value="Confidence interval"/>
        </coding>
      </type>
      <level value="0.95"/>
      <range>
        <low>
          <value value="63.4"/>
          <unit value="%"/>
          <system value="http://unitsofmeasure.org"/>
          <code value="%"/>
        </low>
        <high>
          <value value="73.9"/>
          <unit value="%"/>
          <system value="http://unitsofmeasure.org"/>
          <code value="%"/>
        </high>
      </range>
    </attributeEstimate>
  </statistic>
</Evidence>