Evidence Based Medicine on FHIR Implementation Guide
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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

: MetaanalysisEligibilityCriteria: Mean difference in HbA1c effect of bariatric surgery in type 2 diabetes and elevated BMI in 2016 meta-analysis - JSON Representation

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{
  "resourceType" : "Group",
  "id" : "175766",
  "meta" : {
    "versionId" : "6",
    "lastUpdated" : "2025-03-15T21:07:12.319Z",
    "profile" : [
      🔗 "http://hl7.org/fhir/uv/ebm/StructureDefinition/metaanalysis-eligibility-criteria"
    ]
  },
  "text" : {
    "status" : "empty",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p>[No data.]</p></div>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/artifact-author",
      "valueContactDetail" : {
        "name" : "Brian S. Alper"
      }
    },
    {
      "url" : "http://hl7.org/fhir/uv/ebm/StructureDefinition/cite-as",
      "valueMarkdown" : "MetaanalysisEligibilityCriteria: Mean difference in HbA1c effect of bariatric surgery in type 2 diabetes and elevated BMI in 2016 meta-analysis [Database Entry: FHIR Group Resource]. Contributors: Brian S. Alper [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 175766. Revised 2023-12-06. Available at: https://fevir.net/resources/Group/175766. Computable resource at: https://fevir.net/resources/Group/175766#json."
    }
  ],
  "url" : "https://fevir.net/resources/Group/175766",
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        ],
        "text" : "FEvIR Object Identifier"
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      "system" : "urn:ietf:rfc:3986",
      "value" : "https://fevir.net/FOI/175766",
      "assigner" : {
        "display" : "Computable Publishing LLC"
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    }
  ],
  "name" : "MetaanalysisEligibilityCriteria_Mean_difference_in_HbA1c_effect_of_bariatric_surgery_in_type_2_diabetes_and_elevated_BMI_in_2016_meta_analysis",
  "title" : "MetaanalysisEligibilityCriteria: Mean difference in HbA1c effect of bariatric surgery in type 2 diabetes and elevated BMI in 2016 meta-analysis",
  "status" : "active",
  "publisher" : "Computable Publishing LLC",
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  ],
  "description" : "Study population includes type 2 diabetes and BMI > 25 kg/m2; study design includes randomized assignment; exposure is bariatric surgery vs. no bariatric surgery; outcome measured is mean difference in HbA1c comparing bariatric surgery vs. no bariatric surgery",
  "useContext" : [
    {
      "code" : {
        "system" : "https://fevir.net/resources/CodeSystem/179423",
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        "display" : "Evidence Communication"
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      "valueCodeableConcept" : {
        "coding" : [
          {
            "system" : "https://fevir.net/resources/CodeSystem/179423",
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            "display" : "MetaanalysisEligibilityCriteria"
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  "membership" : "conceptual",
  "combinationMethod" : "all-of",
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        "text" : "Population"
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      "valueReference" : {
        🔗 "reference" : "Group/33398",
        "type" : "Group",
        "display" : "StudyEligibilityCriteria: Type 2 diabetes and elevated BMI in 2016 meta-analysis"
      },
      "exclude" : false,
      "description" : "Study population includes type 2 diabetes and BMI > 25 kg/m2"
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      "valueCodeableConcept" : {
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      "valueReference" : {
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        "display" : "GroupAssignment: Bariatric Surgery vs. no bariatric surgery"
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      "exclude" : false,
      "description" : "exposure is bariatric surgery vs. no bariatric surgery"
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      "valueReference" : {
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        "type" : "EvidenceVariable",
        "display" : "OutcomeVariable: Mean difference in HbA1c between Surgery and Medical/Lifestyle groups at end of follow-up"
      },
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      "description" : "outcome measured is mean difference in HbA1c comparing bariatric surgery vs. no bariatric surgery"
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