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 2.0.0-ballot 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

: ComparativeEvidence: Bypass surgery effects on Additional GI surgical procedure in JAMA 2018 Norwegian cohort study - XML Representation

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<Evidence xmlns="http://hl7.org/fhir">
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    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: Evidence 104157</b></p><a name="104157"> </a><a name="hc104157"> </a><a name="104157-en-US"> </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: 12; Last updated: 2023-12-06 00:52:08+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>url</b>: <a href="https://fevir.net/resources/Evidence/104157">https://fevir.net/resources/Evidence/104157</a></p><p><b>identifier</b>: FEvIR Object Identifier/104157</p><p><b>name</b>: ComparativeEvidence_Bypass_surgery_effects_on_Additional_GI_surgical_procedure_in_JAMA_2018_Norwegian_cohort_study</p><p><b>title</b>: ComparativeEvidence: Bypass surgery effects on Additional GI surgical procedure in JAMA 2018 Norwegian cohort study</p><p><b>status</b>: Active</p><p><b>date</b>: 2022-09-19 21:15:43+0000</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>author</b>: Brian S. Alper: </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>
</div><blockquote><p><b>relatedArtifact</b></p><p><b>type</b>: Derived From</p><h3>Documents</h3><table class="grid"><tr><td style="display: none">-</td><td><b>Url</b></td></tr><tr><td style="display: none">*</td><td><a href="https://jamanetwork.com/journals/jama/fullarticle/2669729">https://jamanetwork.com/journals/jama/fullarticle/2669729</a></td></tr></table></blockquote><blockquote><p><b>relatedArtifact</b></p><p><b>type</b>: Cite As</p><p><b>citation</b>: </p><div><p>ComparativeEvidence: Bypass surgery effects on Additional GI surgical procedure in JAMA 2018 Norwegian cohort study [Evidence]. Contributors: Brian S. Alper [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 104157. Revised 2022-09-19. Available at: https://fevir.net/resources/Evidence/104157. Computable resource at: https://fevir.net/resources/Evidence/104157.</p>
</div></blockquote><p><b>description</b>: </p><div><p>Surgical patients had a greater risk for undergoing at least 1 additional gastrointestinal surgical procedure (AR, 31.3% vs 15.5%; RD, 15.8% [95% CI, 13.1%-18.5%]; RR, 2.0 [95% CI, 1.7-2.4]).</p>
</div><p><b>assertion</b>: </p><div><p>Compared with specialized medical treatment, bariatric surgery appears to increase the rate of additional gastrointestinal surgical procedures.</p>
</div><blockquote><p><b>variableDefinition</b></p><p><b>description</b>: </p><div><p>Cohort study with baseline data of exposures from November 2005 through July 2010 and follow-up data from 2006 until death or through December 2015 at a tertiary care outpatient center, Vestfold Hospital Trust, Norway. Consecutive treatment-seeking adult patients (n = 2109) with severe obesity assessed (221 patients excluded and 1888 patients included).</p>
</div><p><b>variableRole</b>: Population</p><p><b>observed</b>: <a href="Group-178427.html">StudyGroup: Severely Obese Adults 2018 Norwegian Cohort</a></p></blockquote><blockquote><p><b>variableDefinition</b></p><p><b>description</b>: </p><div><p>bariatric surgery vs. specialized medical treatment without bariatric surgery</p>
</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>Additional GI surgical procedure</p>
</div><p><b>variableRole</b>: Outcome</p><p><b>observed</b>: <a href="EvidenceVariable-104120.html">OutcomeVariable: Additional GI surgical procedure</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:{http://hl7.org/fhir/study-design SEVCO:01002}">Observational research</span>, <span title="Codes:{http://hl7.org/fhir/study-design SEVCO:01011}">Parallel cohort design</span>, <span title="Codes:{http://hl7.org/fhir/study-design SEVCO:01028}">Longitudinal data collection</span></p><blockquote><p><b>statistic</b></p><p><b>description</b>: </p><div><p>Relative risk 2.0; 95% CI 1.7 to 2.4</p>
</div><p><b>note</b>: Result observed without bariatric surgery was 15.5%, result observed with bariatric surgery was 31.3%</p><p><b>statisticType</b>: <span title="Codes:{http://terminology.hl7.org/CodeSystem/statistic-type C93152}">Relative Risk</span></p><p><b>quantity</b>: 2</p><h3>SampleSizes</h3><table class="grid"><tr><td style="display: none">-</td><td><b>NumberOfStudies</b></td><td><b>NumberOfParticipants</b></td><td><b>KnownDataCount</b></td></tr><tr><td style="display: none">*</td><td>1</td><td>1888</td><td>1888</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 1.7 to 2.4</p>
</div></td><td><span title="Codes:{http://terminology.hl7.org/CodeSystem/attribute-estimate-type C53324}">Confidence interval</span></td><td>0.95</td><td>1.7-2.4</td></tr></table></blockquote><h3>Certainties</h3><table class="grid"><tr><td style="display: none">-</td><td><b>Description</b></td><td><b>Type</b></td><td><b>Rating</b></td></tr><tr><td style="display: none">*</td><td><div><p>rated down 2 levels due to observational study, rated up 1 level for large effect size</p>
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