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
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"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: Evidence 47740</b></p><a name=\"47740\"> </a><a name=\"hc47740\"> </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: 17; Last updated: 2026-08-06 10:10:47+0000</p><p style=\"margin-bottom: 0px\">Profiles: <a href=\"StructureDefinition-comparative-evidence.html\">ComparativeEvidence</a>, <a href=\"StructureDefinition-single-study-evidence.html\">SingleStudyEvidence</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-47740.html\">Evidence ComparativeEvidence: Mean difference in HbA1c between Surgery and Medical/Lifestyle groups in Courcoulas 2014</a></p><p><b>identifier</b>: FEvIR Object Identifier/47740, <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:2.16.840.1.113883.4.642.40.44.22.34</p><p><b>version</b>: 1.0.0-ballot3</p><p><b>name</b>: ComparativeEvidence_Mean_difference_in_HbA1c_between_Surgery_and_Medical_Lifestyle_groups_in_Courcoulas_2014</p><p><b>title</b>: ComparativeEvidence: Mean difference in HbA1c between Surgery and Medical/Lifestyle groups in Courcoulas 2014</p><p><b>citeAs</b>: </p><div><p>ComparativeEvidence: Mean difference in HbA1c between Surgery and Medical/Lifestyle groups in Courcoulas 2014 [Database Entry: FHIR Evidence Resource]. Contributors: Brian S. Alper [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 47740. Revised 2022-05-29. Available at: https://fevir.net/resources/Evidence/47740. Computable resource at: https://fevir.net/resources/Evidence/47740#json.</p>\n</div><p><b>status</b>: Active</p><p><b>date</b>: 2022-05-29 11:04:19+0000</p><p><b>author</b>: Brian S. Alper: </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><h3>UseContexts</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>Code</b></td><td><b>Value[x]</b></td></tr><tr><td style=\"display: none\">*</td><td><a href=\"CodeSystem-179423.html#179423-evidence-communication\">Evidence Based Medicine on FHIR Implementation Guide Code System: evidence-communication</a> (Evidence Communication)</td><td><span title=\"Codes:{https://fevir.net/resources/CodeSystem/179423 ComparativeEvidence}\">ComparativeEvidence</span></td></tr><tr><td style=\"display: none\">*</td><td><a href=\"CodeSystem-179423.html#179423-evidence-communication\">Evidence Based Medicine on FHIR Implementation Guide Code System: evidence-communication</a> (Evidence Communication)</td><td><span title=\"Codes:{https://fevir.net/resources/CodeSystem/179423 SingleStudyEvidence}\">SingleStudyEvidence</span></td></tr></table><p><b>copyright</b>: </p><div><p>https://creativecommons.org/licenses/by-nc-sa/4.0/</p>\n</div><h3>RelatesTos</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>Extension</b></td><td><b>Type</b></td><td><b>Target[x]</b></td></tr><tr><td style=\"display: none\">*</td><td/><td><span title=\"Codes:{http://terminology.hl7.org/CodeSystem/artifact-relationship-type derived-from}\">Derived From</span></td><td><a href=\"https://diabetesjournals.org/care/article/39/6/861/29305/Metabolic-Surgery-in-the-Treatment-Algorithm-for\">https://diabetesjournals.org/care/article/39/6/861/29305/Metabolic-Surgery-in-the-Treatment-Algorithm-for <img src=\"external.png\" alt=\"\" style=\"vertical-align: baseline\"/></a></td></tr></table><p><b>description</b>: </p><div><p>Mean HbA1c at 12 months in Courcoulas 2014 was 6.6 % in Surgery group (n = 41) and 7.0% in Medical/Lifestyle group (n = 17), mean difference -0.40% (95% CI -0.89% to 0.09%)</p>\n</div><blockquote><p><b>variableDefinition</b></p><p><b>description</b>: </p><div><p>58 patients aged 25 to 55 with T2DM and BMI 30 to 40</p>\n</div><p><b>variableRole</b>: Population</p><p><b>observed</b>: Courcoulas 2014 Trial Enrollment Group</p></blockquote><blockquote><p><b>variableDefinition</b></p><p><b>description</b>: </p><div><p>Roux-en-Y Gastric Bypass, Laparoscopic Adjustable Gastric Banding vs. medical treatment (Medical Weight Management MWM)</p>\n</div><p><b>variableRole</b>: Exposure</p><p><b>comparatorCategory</b>: no bariatric surgery</p><p><b>observed</b>: <a href=\"EvidenceVariable-172427.html\">GroupAssignment: Bariatric Surgery vs. no bariatric surgery</a></p></blockquote><blockquote><p><b>variableDefinition</b></p><p><b>description</b>: </p><div><p>HbA1c at 12 months</p>\n</div><p><b>variableRole</b>: Outcome</p><p><b>observed</b>: <a href=\"EvidenceVariable-173243.html\">OutcomeVariable: HbA1c at 12 months</a></p></blockquote><p><b>synthesisType</b>: <span title=\"Codes:{http://terminology.hl7.org/CodeSystem/synthesis-type NotApplicable}\">not applicable</span></p><p><b>studyDesign</b>: <span title=\"Codes:{https://fevir.net/sevco SEVCO:01003}\">randomized assignment</span></p><blockquote><p><b>statistic</b></p><p><b>description</b>: </p><div><p>mean difference -0.40% (95% CI -0.89% to 0.09%)</p>\n</div><p><b>note</b>: </p><blockquote><div><p>Mean HbA1c at 12 months in Courcoulas 2014 was 6.6 % in Surgery group (n = 41) and 7.0% in Medical/Lifestyle group (n = 17)</p>\n</div></blockquote><p><b>statisticType</b>: <span title=\"Codes:{http://terminology.hl7.org/CodeSystem/statistic-type 0000457}\">Mean Difference</span></p><p><b>quantity</b>: -0.4 %<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code% = '%')</span></p><h3>SampleSizes</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>NumberOfParticipants</b></td><td><b>KnownDataCount</b></td></tr><tr><td style=\"display: none\">*</td><td>58</td><td>58</td></tr></table><h3>AttributeEstimates</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>Description</b></td><td><b>Type</b></td><td><b>Level</b></td><td><b>Range</b></td></tr><tr><td style=\"display: none\">*</td><td><div><p>95% CI -0.89% to 0.09%</p>\n</div></td><td><span title=\"Codes:{http://terminology.hl7.org/CodeSystem/attribute-estimate-type C53324}\">Confidence interval</span></td><td>0.95</td><td>-0.89-0.09 %</td></tr></table></blockquote></div>"
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