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-ballot3 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

: Baseline Characteristics Report for QUARTET Trial

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      <name value="QUARTET LDQT"/>
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                   value="Patients randomized to the intervention arm took a once daily ultra-low-dose quadruple combination therapy (QUARTET LDQT). The LDQT is an overencapsulated combination pill comprising four types of blood pressure lowering medications each at ¼ standard doses. QUARTET includes candesartan 2mg, amlodipine besylate 1.25mg, indapamide 0.625mg, and bisoprolol 2.5mg. The individual components are currently approved and marketed within the United States.

QUARTET LDQT: Ultra-low-dose combination therapy comprising four different blood pressure lowering drugs at 1/4 dosages. Taken once daily for 12 weeks."/>
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                   value="Patients randomized to the comparison arm took a once daily 8mg candesartan.

Candesartan: Standard monotherapy of 8mg candesartan. Taken once daily for 12 weeks."/>
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             value="Age, Continuous for QUARTET LDQT at baseline in NCT03640312"/>
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    <value value="NCT03640312-baseline-measure-report"/>
    <assigner>
      <display value="Computable Publishing LLC"/>
    </assigner>
  </identifier>
  <status value="final"/>
  <type>
    <coding>
      <system value="https://fevir.net/resources/CodeSystem/179423"/>
      <code value="BaselineMeasureReport"/>
      <display value="BaselineMeasureReport"/>
    </coding>
    <text value="Baseline Measure Report"/>
  </type>
  <date value="2025-10-11T10:35:13.276Z"/>
  <author>
    <display value="Joanne Dehnbostel"/>
  </author>
  <title value="Baseline Characteristics Report for QUARTET Trial"/>
  <custodian>🔗 
    <reference value="Organization/118079"/>
    <type value="Organization"/>
    <display value="Computable Publishing LLC"/>
  </custodian>
  <relatesTo>
    <type value="cite-as"/>
    <targetMarkdown
                    value="Baseline Characteristics Report for QUARTET Trial [Database Entry: FHIR Composition Resource]. Contributors: Joanne Dehnbostel [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 370510. Revised 2025-10-11. Available at: https://fevir.net/resources/Composition/370510. Computable resource at: https://fevir.net/resources/Composition/370510#json."/>
  </relatesTo>
  <relatesTo>
    <type value="derived-from"/>
    <targetReference>🔗 
      <reference value="Composition/370503"/>
      <type value="Composition"/>
      <display value="Baseline Characteristics Report for NCT03640312"/>
    </targetReference>
  </relatesTo>
  <section>
    <title value="Age, Continuous"/>
    <code>
      <coding>
        <system value="https://fevir.net/resources/CodeSystem/179423"/>
        <code value="results"/>
        <display value="Results"/>
      </coding>
    </code>
    <focus>
      <reference value="#NCT03640312-BaselineMeasure-0"/>
      <type value="EvidenceVariable"/>
      <display value="Age, Continuous"/>
    </focus>
    <text>
      <status value="empty"/>
    </text>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-0-BG000"/>
      <type value="Evidence"/>
      <display
               value="Age, Continuous for QUARTET LDQT at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-0-BG001"/>
      <type value="Evidence"/>
      <display
               value="Age, Continuous for Candesartan at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-0-BG002"/>
      <type value="Evidence"/>
      <display value="Age, Continuous for Total at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-0-BG002"/>
      <type value="Evidence"/>
      <display value="Age, Continuous for Total at baseline in NCT03640312"/>
    </entry>
  </section>
  <section>
    <title value="Sex: Female, Male"/>
    <code>
      <coding>
        <system value="https://fevir.net/resources/CodeSystem/179423"/>
        <code value="results"/>
        <display value="Results"/>
      </coding>
    </code>
    <focus>
      <reference value="#NCT03640312-BaselineMeasure-1"/>
      <type value="EvidenceVariable"/>
      <display value="Sex: Female, Male"/>
    </focus>
    <text>
      <status value="empty"/>
    </text>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-1-BG000"/>
      <type value="Evidence"/>
      <display
               value="Sex: Female, Male for QUARTET LDQT at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-1-BG001"/>
      <type value="Evidence"/>
      <display
               value="Sex: Female, Male for Candesartan at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-1-BG002"/>
      <type value="Evidence"/>
      <display
               value="Sex: Female, Male for Total at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-1-BG002"/>
      <type value="Evidence"/>
      <display
               value="Sex: Female, Male for Total at baseline in NCT03640312"/>
    </entry>
  </section>
  <section>
    <title value="Race/Ethnicity, Customized"/>
    <code>
      <coding>
        <system value="https://fevir.net/resources/CodeSystem/179423"/>
        <code value="results"/>
        <display value="Results"/>
      </coding>
    </code>
    <focus>
      <reference value="#NCT03640312-BaselineMeasure-2"/>
      <type value="EvidenceVariable"/>
      <display value="Race/Ethnicity, Customized"/>
    </focus>
    <text>
      <status value="empty"/>
    </text>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-2-BG000"/>
      <type value="Evidence"/>
      <display
               value="Race/Ethnicity, Customized for QUARTET LDQT at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-2-BG001"/>
      <type value="Evidence"/>
      <display
               value="Race/Ethnicity, Customized for Candesartan at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-2-BG002"/>
      <type value="Evidence"/>
      <display
               value="Race/Ethnicity, Customized for Total at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-2-BG002"/>
      <type value="Evidence"/>
      <display
               value="Race/Ethnicity, Customized for Total at baseline in NCT03640312"/>
    </entry>
  </section>
  <section>
    <title value="Body Mass Index, kg/m^2"/>
    <code>
      <coding>
        <system value="https://fevir.net/resources/CodeSystem/179423"/>
        <code value="results"/>
        <display value="Results"/>
      </coding>
    </code>
    <focus>
      <reference value="#NCT03640312-BaselineMeasure-3"/>
      <type value="EvidenceVariable"/>
      <display value="Body Mass Index, kg/m^2"/>
    </focus>
    <text>
      <status value="empty"/>
    </text>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-3-BG000"/>
      <type value="Evidence"/>
      <display
               value="Body Mass Index, kg/m^2 for QUARTET LDQT at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-3-BG001"/>
      <type value="Evidence"/>
      <display
               value="Body Mass Index, kg/m^2 for Candesartan at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-3-BG002"/>
      <type value="Evidence"/>
      <display
               value="Body Mass Index, kg/m^2 for Total at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-3-BG002"/>
      <type value="Evidence"/>
      <display
               value="Body Mass Index, kg/m^2 for Total at baseline in NCT03640312"/>
    </entry>
  </section>
  <section>
    <title value="Heart rate, beats per minute"/>
    <code>
      <coding>
        <system value="https://fevir.net/resources/CodeSystem/179423"/>
        <code value="results"/>
        <display value="Results"/>
      </coding>
    </code>
    <focus>
      <reference value="#NCT03640312-BaselineMeasure-4"/>
      <type value="EvidenceVariable"/>
      <display value="Heart rate, beats per minute"/>
    </focus>
    <text>
      <status value="empty"/>
    </text>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-4-BG000"/>
      <type value="Evidence"/>
      <display
               value="Heart rate, beats per minute for QUARTET LDQT at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-4-BG001"/>
      <type value="Evidence"/>
      <display
               value="Heart rate, beats per minute for Candesartan at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-4-BG002"/>
      <type value="Evidence"/>
      <display
               value="Heart rate, beats per minute for Total at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-4-BG002"/>
      <type value="Evidence"/>
      <display
               value="Heart rate, beats per minute for Total at baseline in NCT03640312"/>
    </entry>
  </section>
  <section>
    <title value="History of diabetes, n (%)"/>
    <code>
      <coding>
        <system value="https://fevir.net/resources/CodeSystem/179423"/>
        <code value="results"/>
        <display value="Results"/>
      </coding>
    </code>
    <focus>
      <reference value="#NCT03640312-BaselineMeasure-5"/>
      <type value="EvidenceVariable"/>
      <display value="History of diabetes, n (%)"/>
    </focus>
    <text>
      <status value="empty"/>
    </text>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-5-BG000"/>
      <type value="Evidence"/>
      <display
               value="History of diabetes, n (%) for QUARTET LDQT at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-5-BG001"/>
      <type value="Evidence"/>
      <display
               value="History of diabetes, n (%) for Candesartan at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-5-BG002"/>
      <type value="Evidence"/>
      <display
               value="History of diabetes, n (%) for Total at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-5-BG002"/>
      <type value="Evidence"/>
      <display
               value="History of diabetes, n (%) for Total at baseline in NCT03640312"/>
    </entry>
  </section>
  <section>
    <title value="History of smoking, n (%)"/>
    <code>
      <coding>
        <system value="https://fevir.net/resources/CodeSystem/179423"/>
        <code value="results"/>
        <display value="Results"/>
      </coding>
    </code>
    <focus>
      <reference value="#NCT03640312-BaselineMeasure-6"/>
      <type value="EvidenceVariable"/>
      <display value="History of smoking, n (%)"/>
    </focus>
    <text>
      <status value="empty"/>
    </text>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-6-BG000"/>
      <type value="Evidence"/>
      <display
               value="History of smoking, n (%) for QUARTET LDQT at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-6-BG001"/>
      <type value="Evidence"/>
      <display
               value="History of smoking, n (%) for Candesartan at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-6-BG002"/>
      <type value="Evidence"/>
      <display
               value="History of smoking, n (%) for Total at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-6-BG002"/>
      <type value="Evidence"/>
      <display
               value="History of smoking, n (%) for Total at baseline in NCT03640312"/>
    </entry>
  </section>
  <section>
    <title value="History of depression, n (%)"/>
    <code>
      <coding>
        <system value="https://fevir.net/resources/CodeSystem/179423"/>
        <code value="results"/>
        <display value="Results"/>
      </coding>
    </code>
    <focus>
      <reference value="#NCT03640312-BaselineMeasure-7"/>
      <type value="EvidenceVariable"/>
      <display value="History of depression, n (%)"/>
    </focus>
    <text>
      <status value="empty"/>
    </text>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-7-BG000"/>
      <type value="Evidence"/>
      <display
               value="History of depression, n (%) for QUARTET LDQT at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-7-BG001"/>
      <type value="Evidence"/>
      <display
               value="History of depression, n (%) for Candesartan at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-7-BG002"/>
      <type value="Evidence"/>
      <display
               value="History of depression, n (%) for Total at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-7-BG002"/>
      <type value="Evidence"/>
      <display
               value="History of depression, n (%) for Total at baseline in NCT03640312"/>
    </entry>
  </section>
  <section>
    <title value="Weekly alcohol use, n (%)"/>
    <code>
      <coding>
        <system value="https://fevir.net/resources/CodeSystem/179423"/>
        <code value="results"/>
        <display value="Results"/>
      </coding>
    </code>
    <focus>
      <reference value="#NCT03640312-BaselineMeasure-8"/>
      <type value="EvidenceVariable"/>
      <display value="Weekly alcohol use, n (%)"/>
    </focus>
    <text>
      <status value="empty"/>
    </text>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-8-BG000"/>
      <type value="Evidence"/>
      <display
               value="Weekly alcohol use, n (%) for QUARTET LDQT at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-8-BG001"/>
      <type value="Evidence"/>
      <display
               value="Weekly alcohol use, n (%) for Candesartan at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-8-BG002"/>
      <type value="Evidence"/>
      <display
               value="Weekly alcohol use, n (%) for Total at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-8-BG002"/>
      <type value="Evidence"/>
      <display
               value="Weekly alcohol use, n (%) for Total at baseline in NCT03640312"/>
    </entry>
  </section>
  <section>
    <title value="Systolic Blood Pressure, mm Hg"/>
    <code>
      <coding>
        <system value="https://fevir.net/resources/CodeSystem/179423"/>
        <code value="results"/>
        <display value="Results"/>
      </coding>
    </code>
    <focus>
      <reference value="#NCT03640312-BaselineMeasure-9"/>
      <type value="EvidenceVariable"/>
      <display value="Systolic Blood Pressure, mm Hg"/>
    </focus>
    <text>
      <status value="empty"/>
    </text>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-9-BG000"/>
      <type value="Evidence"/>
      <display
               value="Systolic Blood Pressure, mm Hg for QUARTET LDQT at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-9-BG001"/>
      <type value="Evidence"/>
      <display
               value="Systolic Blood Pressure, mm Hg for Candesartan at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-9-BG002"/>
      <type value="Evidence"/>
      <display
               value="Systolic Blood Pressure, mm Hg for Total at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-9-BG002"/>
      <type value="Evidence"/>
      <display
               value="Systolic Blood Pressure, mm Hg for Total at baseline in NCT03640312"/>
    </entry>
  </section>
  <section>
    <title value="Diastolic Blood Pressure, mm Hg"/>
    <code>
      <coding>
        <system value="https://fevir.net/resources/CodeSystem/179423"/>
        <code value="results"/>
        <display value="Results"/>
      </coding>
    </code>
    <focus>
      <reference value="#NCT03640312-BaselineMeasure-10"/>
      <type value="EvidenceVariable"/>
      <display value="Diastolic Blood Pressure, mm Hg"/>
    </focus>
    <text>
      <status value="empty"/>
    </text>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-10-BG000"/>
      <type value="Evidence"/>
      <display
               value="Diastolic Blood Pressure, mm Hg for QUARTET LDQT at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-10-BG001"/>
      <type value="Evidence"/>
      <display
               value="Diastolic Blood Pressure, mm Hg for Candesartan at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-10-BG002"/>
      <type value="Evidence"/>
      <display
               value="Diastolic Blood Pressure, mm Hg for Total at baseline in NCT03640312"/>
    </entry>
    <entry>
      <reference value="#NCT03640312-BaselineMeasure-10-BG002"/>
      <type value="Evidence"/>
      <display
               value="Diastolic Blood Pressure, mm Hg for Total at baseline in NCT03640312"/>
    </entry>
  </section>
</Composition>