Evidence Based Medicine on FHIR Implementation Guide
1.0.0-ballot3 - STU 1 Ballot 3 World

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

: Medication Adherence at 12 weeks Statistical Analysis for QUARTET LDQT vs Candesartan in NCT03640312

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    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: Evidence 367948</b></p><a name=\"367948\"> </a><a name=\"hc367948\"> </a><div style=\"display: inline-block; background-color: #fbffeb; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">version: 30; Last updated: 2026-09-08 12:21:25+0000</p><p style=\"margin-bottom: 0px\">Profile: <a href=\"StructureDefinition-comparative-evidence.html\">ComparativeEvidence</a></p></div><p><b>ArtifactPublicationStatus</b>: <span title=\"Codes:{http://terminology.hl7.org/CodeSystem/cited-artifact-status-type active}\">Active</span></p><p><b>url</b>: <a href=\"Evidence-367948.html\">Evidence Medication Adherence at 12 weeks Statistical Analysis for QUARTET LDQT vs Candesartan in NCT03640312</a></p><p><b>identifier</b>: FEvIR Object Identifier/367948, FEvIR Linking Identifier/NCT03640312-secondaryOutcomeMeasure-6-OutcomeAnalysis-7-BetweenGroupAnalysis-OG000-OG001, <a href=\"http://terminology.hl7.org/7.5.0/NamingSystem-uri.html\" title=\"As defined by RFC 3986 (http://www.ietf.org/rfc/rfc3986.txt)(with many schemes defined in many RFCs). For OIDs and UUIDs, use the URN form (urn:oid:(note: lowercase) and urn:uuid:). See http://www.ietf.org/rfc/rfc3001.txt and http://www.ietf.org/rfc/rfc4122.txt \r\n\r\nThis oid is used as an identifier II.root to indicate the the extension is an absolute URI (technically, an IRI). Typically, this is used for OIDs and GUIDs. Note that when this OID is used with OIDs and GUIDs, the II.extension should start with urn:oid or urn:uuid: \r\n\r\nNote that this OID is created to aid with interconversion between CDA and FHIR - FHIR uses urn:ietf:rfc:3986 as equivalent to this OID. URIs as identifiers appear more commonly in FHIR.\r\n\r\nThis OID may also be used in CD.codeSystem.\">Uniform Resource Identifier (URI)</a>/urn:oid:2.16.840.1.113883.4.642.40.44.22.211</p><p><b>version</b>: 1.0.0-ballot3</p><p><b>name</b>: NCT03640312_secondaryOutcomeMeasure_6_OutcomeAnalysis_7_BetweenGroupAnalysis_OG000_OG001</p><p><b>title</b>: Medication Adherence at 12 weeks Statistical Analysis for QUARTET LDQT vs Candesartan in NCT03640312</p><p><b>citeAs</b>: </p><div><p>Medication Adherence at 12 weeks Statistical Analysis for QUARTET LDQT vs Candesartan in NCT03640312 [Database Entry: FHIR Evidence Resource]. Contributors: Computable Publishing®: ClinicalTrials.gov-to-FEvIR Converter [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 367948. Revised 2026-09-08. Available at: https://fevir.net/resources/Evidence/367948. Computable resource at: https://fevir.net/resources/Evidence/367948#json.</p>\n</div><p><b>status</b>: Active</p><p><b>date</b>: 2026-11-05 14:34:28+0000</p><p><b>author</b>: Computable Publishing®: ClinicalTrials.gov-to-FEvIR Converter: </p><p><b>publisher</b>: HL7 International / Clinical Decision Support</p><p><b>contact</b>: HL7 International / Clinical Decision Support: <a href=\"http://www.hl7.org/Special/committees/dss\">http://www.hl7.org/Special/committees/dss</a></p><p><b>copyright</b>: </p><div><p>Copyright the Authors else Computable Publishing LLC. Noncommercial use permitted with CC BY-NC-SA 4.0 (https://creativecommons.org/licenses/by-nc-sa/4.0/). Commercial use permitted as agreed in Terms of Use (https://fevir.net/termsofuse).</p>\n</div><p><b>description</b>: </p><div><p>Logistic regression model adjusting for baseline systolic and diastolic blood pressure.</p>\n</div><blockquote><p><b>variableDefinition</b></p><p><b>note</b>: </p><blockquote><div><p>Modified intent to treat whereby all those participants with data at any follow-up time point and baseline to contribute to analyses will be included in analyses according to arm to which they were randomized, regardless of adherence to the study protocol.</p>\n</div></blockquote><p><b>variableRole</b>: Population</p><p><b>intended</b>: <a href=\"Group-367881.html\">NCT03640312 Eligibility Criteria</a></p></blockquote><blockquote><p><b>variableDefinition</b></p><p><b>description</b>: </p><div><p>Group Assignment: QUARTET LDQT vs. Candesartan</p>\n</div><p><b>variableRole</b>: Exposure</p><p><b>comparatorCategory</b>: Candesartan</p><p><b>observed</b>: Group Assignment: 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.\n\nQUARTET LDQT: Ultra-low-dose combination therapy comprising four different blood pressure lowering drugs at 1/4 dosages. Taken once daily for 12 weeks. vs. Patients randomized to the comparison arm took a once daily 8mg candesartan.\n\nCandesartan: Standard monotherapy of 8mg candesartan. Taken once daily for 12 weeks.</p></blockquote><blockquote><p><b>variableDefinition</b></p><p><b>variableRole</b>: Outcome</p><p><b>observed</b>: <a href=\"EvidenceVariable-367889.html\">Medication Adherence at 12 weeks (NCT03640312)</a></p></blockquote><blockquote><p><b>statistic</b></p><p><b>note</b>: </p><blockquote><div><p>Outcome Analysis NonInferiority Type: Superiority</p>\n</div></blockquote><p><b>statisticType</b>: <span title=\"Codes:\">Odds Ratio (OR)</span></p><p><b>quantity</b>: 0.64</p><blockquote><p><b>attributeEstimate</b></p><p><b>type</b>: <span title=\"Codes:{http://terminology.hl7.org/CodeSystem/attribute-estimate-type C44185}\">P-value</span></p><p><b>quantity</b>: 0.437</p></blockquote><blockquote><p><b>attributeEstimate</b></p><p><b>note</b>: </p><blockquote><div><p>CI Number of Sides: 2-Sided</p>\n</div></blockquote><p><b>type</b>: <span title=\"Codes:{http://terminology.hl7.org/CodeSystem/attribute-estimate-type C53324}\">Confidence interval</span></p><p><b>level</b>: 0.95</p><p><b>range</b>: 0.21-1.98</p></blockquote><h3>ModelCharacteristics</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>Code</b></td></tr><tr><td style=\"display: none\">*</td><td><span title=\"Codes:\">Regression, Logistic</span></td></tr></table></blockquote></div>"
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  "title" : "Medication Adherence at 12 weeks Statistical Analysis for QUARTET LDQT vs Candesartan in NCT03640312",
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