@prefix fhir: . @prefix owl: . @prefix rdf: . @prefix rdfs: . @prefix xsd: . # - resource ------------------------------------------------------------------- a fhir:Evidence ; fhir:nodeRole fhir:treeRoot ; fhir:id [ fhir:v "179590"] ; # fhir:meta [ fhir:versionId [ fhir:v "11" ] ; fhir:lastUpdated [ fhir:v "2026-01-07T11:28:51.554Z"^^xsd:dateTime ] ; fhir:profile ( [ fhir:v "http://hl7.org/fhir/uv/ebm/StructureDefinition/net-effect-contribution"^^xsd:anyURI ; fhir:l ] ) ] ; # fhir:language [ fhir:v "en"] ; # fhir:text [ fhir:status [ fhir:v "extensions" ] ; fhir:div [ fhir:v "

Generated Narrative: Evidence 179590

version: 11; Last updated: 2026-01-07 11:28:51+0000; Language: en

Profile: NetEffectContribution

url: https://fevir.net/resources/Evidence/179590

identifier: FEvIR Object Identifier/179590

name: NetEffectContribution_for_ComparativeEvidence_Bypass_surgery_effects_on_Treatment_with_opioids_in_JAMA_2018_Norwegian_cohort_study

title: NetEffectContribution for ComparativeEvidence: Bypass surgery effects on Treatment with opioids in JAMA 2018 Norwegian cohort study

citeAs:

NetEffectContribution for ComparativeEvidence: Bypass surgery effects on Treatment with opioids in JAMA 2018 Norwegian cohort study [Database Entry: FHIR Evidence Resource]. Contributors: Computable Publishing: Net Effect Generator, Brian S. Alper, MD, MSPH [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 179590. Revised 2026-01-07. Available at: https://fevir.net/resources/Evidence/179590. Computable resource at: https://fevir.net/resources/Evidence/179590#json.

\n

status: Active

author: Computable Publishing: Net Effect Generator: , Brian S. Alper, MD, MSPH:

publisher: Computable Publishing LLC

contact: support@computablepublishing.com

copyright:

https://creativecommons.org/licenses/by-nc-sa/4.0/

\n

description:

This Evidence Resource is referenced in an example for the EBMonFHIR Implementation Guide.

\n

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).

\n

variableRole: Population

observed: StudyGroup: Severely Obese Adults 2018 Norwegian Cohort

variableDefinition

description:

bariatric surgery vs. specialized medical treatment without bariatric surgery

\n

variableRole: Exposure

comparatorCategory: no bariatric surgery

intended: GroupAssignment: Bariatric Surgery vs. no bariatric surgery

variableDefinition

description:

Treatment with opioids

\n

variableRole: Outcome

observed: OutcomeVariable: Treatment with opioids

variableDefinition

RelativeOutcomeImportance: Outcome Importance Rating of DichotomousIntendedOutcome: Treatment with opioids for StudyEligibilityCriteria: Eligibility Criteria for Bariatric Surgery Randomized Trial (Diabetes Surgery Study)

variableRole: Covariate

roleSubtype: Relative Value Multiplier

observed: Relative Importance Multiplier

statistic

statisticType: risk difference

quantity: -71.1

AttributeEstimates

-TypeLevelRange
*confidence interval0.95-94.8--47.4

ModelCharacteristics

-Code
*Net effect contribution analysis
"^^rdf:XMLLiteral ] ] ; # fhir:url [ fhir:v "https://fevir.net/resources/Evidence/179590"^^xsd:anyURI ; fhir:l ] ; # fhir:identifier ( [ fhir:type [ fhir:coding ( [ fhir:system [ fhir:v "http://terminology.hl7.org/CodeSystem/v2-0203"^^xsd:anyURI ; fhir:l ] ; fhir:code [ fhir:v "ACSN" ] ; fhir:display [ fhir:v "Accession ID" ] ] ) ; fhir:text [ fhir:v "FEvIR Object Identifier" ] ] ; fhir:system [ fhir:v "https://fevir.net/FOI"^^xsd:anyURI ; fhir:l ] ; fhir:value [ fhir:v "179590" ] ; fhir:assigner [ fhir:display [ fhir:v "Computable Publishing LLC" ] ] ] ) ; # fhir:name [ fhir:v "NetEffectContribution_for_ComparativeEvidence_Bypass_surgery_effects_on_Treatment_with_opioids_in_JAMA_2018_Norwegian_cohort_study"] ; # fhir:title [ fhir:v "NetEffectContribution for ComparativeEvidence: Bypass surgery effects on Treatment with opioids in JAMA 2018 Norwegian cohort study"] ; # fhir:citeAs [ fhir:v "NetEffectContribution for ComparativeEvidence: Bypass surgery effects on Treatment with opioids in JAMA 2018 Norwegian cohort study [Database Entry: FHIR Evidence Resource]. Contributors: Computable Publishing: Net Effect Generator, Brian S. Alper, MD, MSPH [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 179590. Revised 2026-01-07. Available at: https://fevir.net/resources/Evidence/179590. Computable resource at: https://fevir.net/resources/Evidence/179590#json."] ; # fhir:status [ fhir:v "active"] ; # fhir:author ( [ fhir:name [ fhir:v "Computable Publishing: Net Effect Generator" ] ] [ fhir:name [ fhir:v "Brian S. Alper, MD, MSPH" ] ] ) ; # fhir:publisher [ fhir:v "Computable Publishing LLC"] ; # fhir:contact ( [ fhir:telecom ( [ fhir:system [ fhir:v "email" ] ; fhir:value [ fhir:v "support@computablepublishing.com" ] ] ) ] ) ; # fhir:copyright [ fhir:v "https://creativecommons.org/licenses/by-nc-sa/4.0/"] ; # fhir:description [ fhir:v "This Evidence Resource is referenced in an example for the EBMonFHIR Implementation Guide."] ; # fhir:variableDefinition ( [ fhir:description [ fhir:v "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)." ] ; fhir:variableRole [ fhir:v "population" ] ; fhir:observed [ fhir:l ; fhir:reference [ fhir:v "Group/178427" ] ; fhir:type [ fhir:v "Group"^^xsd:anyURI ; fhir:l fhir:Group ] ; fhir:display [ fhir:v "StudyGroup: Severely Obese Adults 2018 Norwegian Cohort" ] ] ] [ fhir:description [ fhir:v "bariatric surgery vs. specialized medical treatment without bariatric surgery" ] ; fhir:variableRole [ fhir:v "exposure" ] ; fhir:comparatorCategory [ fhir:v "no bariatric surgery" ] ; fhir:intended [ fhir:l ; fhir:reference [ fhir:v "EvidenceVariable/172427" ] ; fhir:type [ fhir:v "EvidenceVariable"^^xsd:anyURI ; fhir:l fhir:EvidenceVariable ] ; fhir:display [ fhir:v "GroupAssignment: Bariatric Surgery vs. no bariatric surgery" ] ] ] [ fhir:description [ fhir:v "Treatment with opioids" ] ; fhir:variableRole [ fhir:v "outcome" ] ; fhir:observed [ fhir:l ; fhir:reference [ fhir:v "EvidenceVariable/104119" ] ; fhir:type [ fhir:v "EvidenceVariable"^^xsd:anyURI ; fhir:l fhir:EvidenceVariable ] ; fhir:display [ fhir:v "OutcomeVariable: Treatment with opioids" ] ] ] [ fhir:extension ( [ fhir:url [ fhir:v "http://hl7.org/fhir/uv/ebm/StructureDefinition/relative-outcome-importance"^^xsd:anyURI ; fhir:l ] ; fhir:value [ a fhir:Reference ; fhir:l ; fhir:reference [ fhir:v "ArtifactAssessment/423314" ] ; fhir:type [ fhir:v "ArtifactAssessment"^^xsd:anyURI ; fhir:l fhir:ArtifactAssessment ] ; fhir:display [ fhir:v "Outcome Importance Rating of DichotomousIntendedOutcome: Treatment with opioids for StudyEligibilityCriteria: Eligibility Criteria for Bariatric Surgery Randomized Trial (Diabetes Surgery Study)" ] ] ] ) ; fhir:variableRole [ fhir:v "covariate" ] ; fhir:roleSubtype [ fhir:text [ fhir:v "Relative Value Multiplier" ] ] ; fhir:observed [ fhir:display [ fhir:v "Relative Importance Multiplier" ] ] ] ) ; # fhir:statistic ( [ fhir:statisticType [ fhir:coding ( [ fhir:system [ fhir:v "https://fevir.net/sevco"^^xsd:anyURI ; fhir:l ] ; fhir:code [ fhir:v "STATO:0000424" ] ; fhir:display [ fhir:v "risk difference" ] ] ) ] ; fhir:quantity [ fhir:value [ fhir:v -71.1 ] ] ; fhir:attributeEstimate ( [ fhir:type [ fhir:coding ( [ fhir:system [ fhir:v "https://fevir.net/sevco"^^xsd:anyURI ; fhir:l ] ; fhir:code [ fhir:v "STATO:0000196" ] ; fhir:display [ fhir:v "confidence interval" ] ] ) ] ; fhir:level [ fhir:v 0.95 ] ; fhir:range [ fhir:low [ fhir:value [ fhir:v -94.8 ] ] ; fhir:high [ fhir:value [ fhir:v -47.4 ] ] ] ] ) ; fhir:modelCharacteristic ( [ fhir:code [ fhir:text [ fhir:v "Net effect contribution analysis" ] ] ] ) ] ) . # a fhir:Uv . a fhir:Uv . a fhir:Uv . a fhir:Uv . # -------------------------------------------------------------------------------------