Evidence Based Medicine on FHIR Implementation Guide
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Evidence Based Medicine on FHIR Implementation Guide, published by HL7 International / Clinical Decision Support. This guide is not an authorized publication; it is the continuous build for version 1.0.0-ballot2 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/ebm/ and changes regularly. See the Directory of published versions

: Evidence for Results for Systolic blood pressure at 12 weeks in GroupAssignment: Quadpill vs. Candesartan - XML Representation

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<Evidence xmlns="http://hl7.org/fhir">
  <id value="397483"/>
  <meta>
    <versionId value="4"/>
    <lastUpdated value="2025-09-13T18:20:05.948Z"/>
  </meta>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: Evidence 397483</b></p><a name="397483"> </a><a name="hc397483"> </a><div style="display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%"><p style="margin-bottom: 0px">version: 4; Last updated: 2025-09-13 18:20:05+0000</p></div><p><b>url</b>: <a href="https://fevir.net/resources/Evidence/397483">https://fevir.net/resources/Evidence/397483</a></p><p><b>identifier</b>: FEvIR Object Identifier/397483</p><p><b>name</b>: Evidence_for_Results_for_Systolic_blood_pressure_at_12_weeks_in_GroupAssignment_Quadpill_vs_Candesartan</p><p><b>title</b>: Evidence for Results for Systolic blood pressure at 12 weeks in GroupAssignment: Quadpill vs. Candesartan</p><p><b>citeAs</b>: </p><div><p>Evidence for Results for Systolic blood pressure at 12 weeks in GroupAssignment: Quadpill vs. Candesartan [Database Entry: FHIR Evidence Resource]. Contributors: Brian S. Alper, MD, MSPH [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 397483. Revised 2025-09-13. Available at: https://fevir.net/resources/Evidence/397483. Computable resource at: https://fevir.net/resources/Evidence/397483#json.</p>
</div><p><b>status</b>: Active</p><p><b>author</b>: Brian S. Alper, MD, MSPH: </p><p><b>publisher</b>: Computable Publishing LLC</p><p><b>contact</b>: <a href="mailto:support@computablepublishing.com">support@computablepublishing.com</a></p><p><b>copyright</b>: </p><div><p>https://creativecommons.org/licenses/by-nc-sa/4.0/</p>
</div><h3>RelatesTos</h3><table class="grid"><tr><td style="display: none">-</td><td><b>Type</b></td><td><b>Target[x]</b></td></tr><tr><td style="display: none">*</td><td>Part Of</td><td><a href="Composition-375280.html">Outcome Measure Report for QUARTET USA Trial</a></td></tr></table><p><b>description</b>: </p><div><p>This Evidence Resource is referenced in an example for the EBMonFHIR Implementation Guide.</p>
</div><blockquote><p><b>variableDefinition</b></p><p><b>variableRole</b>: Population</p><p><b>observed</b>: the study group</p></blockquote><blockquote><p><b>variableDefinition</b></p><p><b>variableRole</b>: Exposure</p><p><b>observed</b>: <a href="EvidenceVariable-375183.html">GroupAssignment: Quadpill vs. Candesartan</a></p></blockquote><blockquote><p><b>variableDefinition</b></p><p><b>variableRole</b>: Outcome</p><p><b>observed</b>: <a href="EvidenceVariable-375185.html">Systolic blood pressure at 12 weeks</a></p></blockquote><blockquote><p><b>statistic</b></p><p><b>statisticType</b>: <span title="Codes:{https://fevir.net/sevco STATO:0000457}">difference in means</span></p><p><b>quantity</b>: -4.5 mm Hg</p><h3>SampleSizes</h3><table class="grid"><tr><td style="display: none">-</td><td><b>Extension</b></td><td><b>NumberOfParticipants</b></td><td><b>KnownDataCount</b></td></tr><tr><td style="display: none">*</td><td/><td>62</td><td>53</td></tr></table><blockquote><p><b>attributeEstimate</b></p><p><b>type</b>: <span title="Codes:{https://fevir.net/sevco STATO:0000196}">confidence interval</span></p><p><b>level</b>: 0.95</p><p><b>range</b>: -10.82-1.32 mm Hg</p></blockquote><blockquote><p><b>attributeEstimate</b></p><p><b>type</b>: <span title="Codes:{https://fevir.net/sevco STATO:0000700}">p-value</span></p><p><b>quantity</b>: 0.123</p></blockquote></blockquote></div>
  </text>
  <url value="https://fevir.net/resources/Evidence/397483"/>
  <identifier>
    <type>
      <coding>
        <system value="http://terminology.hl7.org/CodeSystem/v2-0203"/>
        <code value="ACSN"/>
        <display value="Accession ID"/>
      </coding>
      <text value="FEvIR Object Identifier"/>
    </type>
    <system value="https://fevir.net/FOI"/>
    <value value="397483"/>
    <assigner>
      <display value="Computable Publishing LLC"/>
    </assigner>
  </identifier>
  <name
        value="Evidence_for_Results_for_Systolic_blood_pressure_at_12_weeks_in_GroupAssignment_Quadpill_vs_Candesartan"/>
  <title
         value="Evidence for Results for Systolic blood pressure at 12 weeks in GroupAssignment: Quadpill vs. Candesartan"/>
  <citeAs
          value="Evidence for Results for Systolic blood pressure at 12 weeks in GroupAssignment: Quadpill vs. Candesartan [Database Entry: FHIR Evidence Resource]. Contributors: Brian S. Alper, MD, MSPH [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 397483. Revised 2025-09-13. Available at: https://fevir.net/resources/Evidence/397483. Computable resource at: https://fevir.net/resources/Evidence/397483#json."/>
  <status value="active"/>
  <author>
    <name value="Brian S. Alper, MD, MSPH"/>
  </author>
  <publisher value="Computable Publishing LLC"/>
  <contact>
    <telecom>
      <system value="email"/>
      <value value="support@computablepublishing.com"/>
    </telecom>
  </contact>
  <copyright value="https://creativecommons.org/licenses/by-nc-sa/4.0/"/>
  <relatesTo>
    <type value="part-of"/>
    <targetReference>🔗 
      <reference value="Composition/375280"/>
      <type value="Composition"/>
      <display value="Outcome Measure Report for QUARTET USA Trial"/>
    </targetReference>
  </relatesTo>
  <description
               value="This Evidence Resource is referenced in an example for the EBMonFHIR Implementation Guide."/>
  <variableDefinition>
    <variableRole value="population"/>
    <observed>
      <display value="the study group"/>
    </observed>
  </variableDefinition>
  <variableDefinition>
    <variableRole value="exposure"/>
    <observed>🔗 
      <reference value="EvidenceVariable/375183"/>
      <type value="EvidenceVariable"/>
      <display value="GroupAssignment: Quadpill vs. Candesartan"/>
    </observed>
  </variableDefinition>
  <variableDefinition>
    <variableRole value="outcome"/>
    <observed>🔗 
      <reference value="EvidenceVariable/375185"/>
      <type value="EvidenceVariable"/>
      <display value="Systolic blood pressure at 12 weeks"/>
    </observed>
  </variableDefinition>
  <statistic>
    <statisticType>
      <coding>
        <system value="https://fevir.net/sevco"/>
        <code value="STATO:0000457"/>
        <display value="difference in means"/>
      </coding>
    </statisticType>
    <quantity>
      <value value="-4.5"/>
      <unit value="mm Hg"/>
    </quantity>
    <sampleSize>
      <extension
                 url="http://hl7.org/fhir/uv/ebm/StructureDefinition/number-analyzed">
        <valueUnsignedInt value="60"/>
      </extension>
      <numberOfParticipants value="62"/>
      <knownDataCount value="53"/>
    </sampleSize>
    <attributeEstimate>
      <type>
        <coding>
          <system value="https://fevir.net/sevco"/>
          <code value="STATO:0000196"/>
          <display value="confidence interval"/>
        </coding>
      </type>
      <level value="0.95"/>
      <range>
        <low>
          <value value="-10.82"/>
          <unit value="mm Hg"/>
        </low>
        <high>
          <value value="1.32"/>
          <unit value="mm Hg"/>
        </high>
      </range>
    </attributeEstimate>
    <attributeEstimate>
      <type>
        <coding>
          <system value="https://fevir.net/sevco"/>
          <code value="STATO:0000700"/>
          <display value="p-value"/>
        </coding>
      </type>
      <quantity>
        <value value="0.123"/>
      </quantity>
    </attributeEstimate>
  </statistic>
</Evidence>