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Narrative

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Source1

{
  "resourceType": "Evidence",
  "id": "104402",
  "meta": {
    "versionId": "13",
    "lastUpdated": "2026-01-06T23:26:24.352Z",
    "profile": [
      "http://hl7.org/fhir/uv/ebm/StructureDefinition/intervention-only-evidence",
      "http://hl7.org/fhir/uv/ebm/StructureDefinition/single-study-evidence"
    ]
  },
  "language": "en",
  "text": {
    "status": "empty",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/uv/ebm/StructureDefinition/artifact-publication-status",
      "valueCodeableConcept": {
        "coding": [
          {
            "system": "http://terminology.hl7.org/CodeSystem/cited-artifact-status-type",
            "code": "active",
            "display": "Active"
          }
        ]
      }
    }
  ],
  "url": "https://fevir.net/resources/Evidence/104402",
  "identifier": [
    {
      "type": {
        "coding": [
          {
            "system": "http://terminology.hl7.org/CodeSystem/v2-0203",
            "code": "ACSN",
            "display": "Accession ID"
          }
        ],
        "text": "FEvIR Object Identifier"
      },
      "system": "https://fevir.net/FOI",
      "value": "104402",
      "assigner": {
        "display": "Computable Publishing LLC"
      }
    }
  ],
  "name": "InterventionOnlyEvidence_Treatment_with_opioids_with_bariatric_surgery_Intervention_Group_in_JAMA_2018_Norwegian_cohort_study",
  "title": "InterventionOnlyEvidence: Treatment with opioids with bariatric surgery (Intervention Group) in JAMA 2018 Norwegian cohort study",
  "citeAs": "InterventionOnlyEvidence: Treatment with opioids with bariatric surgery (Intervention Group) in JAMA 2018 Norwegian cohort study [Database Entry: FHIR Evidence Resource]. Contributors: Brian S. Alper [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 104402. Revised 2022-09-19. Available at: https://fevir.net/resources/Evidence/104402. Computable resource at: https://fevir.net/resources/Evidence/104402#json.",
  "status": "active",
  "date": "2022-09-19T21:15:33.931Z",
  "author": [
    {
      "name": "Brian S. Alper"
    }
  ],
  "publisher": "Computable Publishing LLC",
  "contact": [
    {
      "telecom": [
        {
          "system": "email",
          "value": "support@computablepublishing.com"
        }
      ]
    }
  ],
  "useContext": [
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      "code": {
        "system": "https://fevir.net/resources/CodeSystem/179423",
        "code": "evidence-communication",
        "display": "Evidence Communication"
      },
      "valueCodeableConcept": {
        "coding": [
          {
            "system": "https://fevir.net/resources/CodeSystem/179423",
            "code": "InterventionOnlyEvidence",
            "display": "InterventionOnlyEvidence"
          }
        ]
      }
    },
    {
      "code": {
        "system": "https://fevir.net/resources/CodeSystem/179423",
        "code": "evidence-communication",
        "display": "Evidence Communication"
      },
      "valueCodeableConcept": {
        "coding": [
          {
            "system": "https://fevir.net/resources/CodeSystem/179423",
            "code": "SingleStudyEvidence",
            "display": "SingleStudyEvidence"
          }
        ]
      }
    }
  ],
  "copyright": "https://creativecommons.org/licenses/by-nc-sa/4.0/",
  "relatesTo": [
    {
      "type": "derived-from",
      "targetUri": "https://jamanetwork.com/journals/jama/fullarticle/2669729"
    }
  ],
  "description": "Risk of Treatment with opioids in intervention group was 19.4%.",
  "variableDefinition": [
    {
      "description": "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). -- Intervention Group assigned to Bariatric surgery",
      "note": [
        {
          "text": "population"
        }
      ],
      "variableRole": "population",
      "observed": {
        "reference": "Group/172934",
        "type": "Group",
        "display": "InterventionGroup: JAMA 2018 Norwegian cohort study Surgery cohort"
      }
    },
    {
      "description": "Treatment with opioids",
      "note": [
        {
          "text": "outcome"
        }
      ],
      "variableRole": "outcome",
      "observed": {
        "reference": "EvidenceVariable/104119",
        "type": "EvidenceVariable",
        "display": "OutcomeVariable: Treatment with opioids"
      }
    }
  ],
  "synthesisType": [
    {
      "coding": [
        {
          "system": "http://terminology.hl7.org/CodeSystem/synthesis-type",
          "code": "NotApplicable",
          "display": "not applicable"
        }
      ]
    }
  ],
  "studyDesign": [
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          "system": "https://fevir.net/sevco",
          "code": "SEVCO:01002",
          "display": "observational research"
        }
      ]
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    {
      "coding": [
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          "system": "https://fevir.net/sevco",
          "code": "SEVCO:01011",
          "display": "parallel cohort design"
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    },
    {
      "coding": [
        {
          "system": "https://fevir.net/sevco",
          "code": "SEVCO:01028",
          "display": "longitudinal data collection"
        }
      ]
    }
  ],
  "statistic": [
    {
      "description": "181 out of 932 observed with percentage of: 19.4%",
      "statisticType": {
        "coding": [
          {
            "system": "https://fevir.net/sevco",
            "code": "STATO:0000607",
            "display": "proportion"
          }
        ]
      },
      "quantity": {
        "value": 0.194
      },
      "numberAffected": 181,
      "sampleSize": {
        "numberOfStudies": 1,
        "numberOfParticipants": 932,
        "knownDataCount": 932
      }
    }
  ]
}