{
  "description": "Bariatric surgery was associated with 49 cardiovascular deaths among 2037 patients in the control group. The number of total first time (fatal or nonfatal) cardiovascular events (myocardial infarction or stroke, whichever came first) in the control group  was 234 events among 2037 patients. Extrapolated from this data the outcome of Nonfatal myocardial infarction or stroke occurred in 188 out of 2037 patients in the control group.",
  "_filename": "example/Evidence-104397.json",
  "package_name": "hl7.fhir.uv.ebm",
  "statistic": [ {
    "quantity": {
      "value": 0.092
    },
    "sampleSize": {
      "knownDataCount": 2037,
      "numberOfParticipants": 2037
    },
    "description": "188 out of 2,037 observed with percentage of: 9.2%",
    "statisticType": {
      "coding": [ {
        "code": "TBD:0000018",
        "system": "https://fevir.net/resources/CodeSystem/181513",
        "display": "Proportion"
      } ]
    },
    "numberAffected": 188
  } ],
  "date": "2022-09-19T21:17:21.515Z",
  "meta": {
    "profile": [ "http://hl7.org/fhir/uv/ebm/StructureDefinition/comparator-only-evidence", "http://hl7.org/fhir/uv/ebm/StructureDefinition/single-study-evidence" ],
    "versionId": "8",
    "lastUpdated": "2023-12-06T00:47:58.662Z"
  },
  "publisher": "HL7 International / Clinical Decision Support",
  "name": "ComparatorOnlyEvidence_Myocardial_infarction_or_stroke_without_bariatric_surgery_Control_Group_in_Swedish_Obese_Subjects_SOS_study",
  "copyright": "https://creativecommons.org/licenses/by-nc-sa/4.0/",
  "type": null,
  "experimental": null,
  "resourceType": "Evidence",
  "variableDefinition": [ {
    "note": [ {
      "text": "population"
    } ],
    "extension": [ {
      "url": "http://hl7.org/fhir/uv/ebm/StructureDefinition/variable-definition-variable-role-code",
      "valueCode": "population"
    } ],
    "description": "Inclusion criteria were age 37 to 60 years and a body mass index of at least 34 in men and at least 38 in women.  All in Sweden. Comparator Cohort are those who received usual care without bariatric surgery",
    "variableRole": {
      "text": "Use extension:variableRoleCode instead.",
      "coding": [ {
        "code": "population",
        "system": "http://terminology.hl7.org/CodeSystem/variable-role",
        "display": "population"
      } ]
    }
  }, {
    "note": [ {
      "text": "outcome"
    } ],
    "observed": {
      "type": "EvidenceVariable",
      "display": "OutcomeVariable: Nonfatal myocardial infarction or stroke",
      "reference": "EvidenceVariable/104097"
    },
    "extension": [ {
      "url": "http://hl7.org/fhir/uv/ebm/StructureDefinition/variable-definition-variable-role-code",
      "valueCode": "outcome"
    } ],
    "description": "Nonfatal myocardial infarction or stroke",
    "variableRole": {
      "text": "Use extension:variableRoleCode instead.",
      "coding": [ {
        "code": "measuredVariable",
        "system": "http://terminology.hl7.org/CodeSystem/variable-role",
        "display": "measured variable"
      } ]
    }
  } ],
  "title": "ComparatorOnlyEvidence: Myocardial infarction or stroke without bariatric surgery (Control Group) in Swedish Obese Subjects (SOS) study",
  "package_version": "1.0.0-ballot",
  "author": [ {
    "name": "Brian S. Alper"
  } ],
  "synthesisType": {
    "coding": [ {
      "code": "NotApplicable",
      "system": "http://terminology.hl7.org/CodeSystem/synthesis-type",
      "display": "not applicable"
    } ]
  },
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "cds"
  } ],
  "status": "active",
  "id": "0ad7cbb0-24c0-43a2-8198-f08e09c17245",
  "kind": null,
  "url": "https://fevir.net/resources/Evidence/104397",
  "identifier": [ {
    "type": {
      "text": "FEvIR Object Identifier",
      "coding": [ {
        "code": "ACSN",
        "system": "http://terminology.hl7.org/CodeSystem/v2-0203",
        "display": "Accession ID"
      } ]
    },
    "value": "104397",
    "system": "https://fevir.net",
    "assigner": {
      "display": "Computable Publishing LLC"
    }
  } ],
  "version": "1.0.0-ballot",
  "relatedArtifact": [ {
    "type": "derived-from",
    "document": {
      "url": "https://jamanetwork.com/journals/jama/fullarticle/1103994"
    }
  }, {
    "type": "cite-as",
    "citation": "ComparatorOnlyEvidence: Myocardial infarction or stroke without bariatric surgery (Control Group) in Swedish Obese Subjects (SOS) study [Evidence]. Contributors: In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 104397. Revised 2022-09-19. Available at: https://fevir.net/resources/Evidence/104397. Computable resource at: https://fevir.net/resources/Evidence/104397."
  } ],
  "studyDesign": [ {
    "coding": [ {
      "code": "SEVCO:01002",
      "system": "http://hl7.org/fhir/study-design",
      "display": "Observational research"
    } ]
  }, {
    "coding": [ {
      "code": "SEVCO:01011",
      "system": "http://hl7.org/fhir/study-design",
      "display": "Parallel cohort design"
    } ]
  }, {
    "coding": [ {
      "code": "SEVCO:01014",
      "system": "http://hl7.org/fhir/study-design",
      "display": "Matching for comparison"
    } ]
  }, {
    "coding": [ {
      "code": "SEVCO:01028",
      "system": "http://hl7.org/fhir/study-design",
      "display": "Longitudinal data collection"
    } ]
  } ],
  "contact": [ {
    "name": "HL7 International / Clinical Decision Support",
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/dss",
      "system": "url"
    } ]
  } ]
}