This page is part of the Evidence Based Medicine on FHIR Implementation Guide (v1.0.0-ballot2: STU1 Ballot 2) based on FHIR (HL7® FHIR® Standard) v6.0.0. No current official version has been published yet. For a full list of available versions, see the Directory of published versions

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: Altitude for screened group - XML Representation

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<Evidence xmlns="http://hl7.org/fhir">
  <id value="307442"/>
  <meta>
    <versionId value="6"/>
    <lastUpdated value="2025-03-16T14:12:03.581Z"/>
  </meta>
  <text>
    <status value="empty"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p>[No data.]</p></div>
  </text>
  <extension
             url="http://hl7.org/fhir/uv/ebm/StructureDefinition/relates-to-with-quotation">
    <extension url="type">
      <valueCode value="derived-from"/>
    </extension>
    <extension url="quotation">
      <valueMarkdown
                     value="However, participants were less likely to be on a jetliner, and instead were on a biplane or helicopter (0% v 100%; P&lt;0.001), were at a lower mean altitude (0.6 m, SD 0.1 v 9146 m, SD 2164; P&lt;0.001), and were traveling at a slower velocity (0 km/h, SD 0 v 800 km/h, SD 124; P&lt;0.001)"/>
    </extension>
    <extension url="targetUri">
      <valueUri value="https://www.bmj.com/content/363/bmj.k5094"/>
    </extension>
  </extension>
  <extension url="http://hl7.org/fhir/uv/ebm/StructureDefinition/cite-as">
    <valueMarkdown
                   value="Altitude for screened group [Database Entry: FHIR Evidence Resource]. Contributors: Joanne Dehnbostel [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 307442. Revised 2025-02-14. Available at: https://fevir.net/resources/Evidence/307442. Computable resource at: https://fevir.net/resources/Evidence/307442#json."/>
  </extension>
  <extension url="http://hl7.org/fhir/uv/ebm/StructureDefinition/relates-to">
    <extension url="type">
      <valueCode value="part-of"/>
    </extension>
    <extension url="targetReference">
      <valueReference>🔗 
        <reference value="Composition/307245"/>
        <type value="Composition"/>
        <display value="PARACHUTE Trial baseline characteristics"/>
      </valueReference>
    </extension>
  </extension>
  <url value="https://fevir.net/resources/Evidence/307442"/>
  <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="urn:ietf:rfc:3986"/>
    <value value="https://fevir.net/FOI/307442"/>
    <assigner>
      <display value="Computable Publishing LLC"/>
    </assigner>
  </identifier>
  <name value="Altitude_for_screened_group"/>
  <title value="Altitude for screened group"/>
  <status value="active"/>
  <publisher value="Computable Publishing LLC"/>
  <contact>
    <telecom>
      <system value="email"/>
      <value value="support@computablepublishing.com"/>
    </telecom>
  </contact>
  <author>
    <name value="Joanne Dehnbostel"/>
  </author>
  <copyright value="https://creativecommons.org/licenses/by-nc-sa/4.0/"/>
  <description
               value="This Evidence Resource is referenced in an example for the EBMonFHIR Implementation Guide."/>
  <variableDefinition>
    <variableRole value="population"/>
    <observed>🔗 
      <reference value="Group/307440"/>
      <type value="Group"/>
      <display value="PARACHUTE Trial Non Participants"/>
    </observed>
  </variableDefinition>
  <variableDefinition>
    <variableRole value="outcome"/>
    <observed>🔗 
      <reference value="EvidenceVariable/297740"/>
      <type value="EvidenceVariable"/>
      <display value="Altitude"/>
    </observed>
  </variableDefinition>
  <statistic>
    <statisticType>
      <coding>
        <system value="https://fevir.net/sevco"/>
        <code value="STATO:0000573"/>
        <display value="mean"/>
      </coding>
    </statisticType>
    <quantity>
      <value value="9146"/>
      <unit value="meters"/>
    </quantity>
    <sampleSize>
      <knownDataCount value="69"/>
    </sampleSize>
    <attributeEstimate>
      <type>
        <coding>
          <system value="https://fevir.net/sevco"/>
          <code value="STATO:0000684"/>
          <display value="standard deviation for sample"/>
        </coding>
      </type>
      <quantity>
        <value value="2164"/>
        <unit value="meters"/>
      </quantity>
    </attributeEstimate>
  </statistic>
</Evidence>