{ "resourceType" : "Evidence", "id" : "179591", "meta" : { "versionId" : "11", "lastUpdated" : "2026-01-07T11:28:51.246Z", "profile" : ["http://hl7.org/fhir/uv/ebm/StructureDefinition/net-effect-contribution"] }, "language" : "en", "text" : { "status" : "extensions", "div" : "

Generated Narrative: Evidence 179591

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

Profile: NetEffectContribution

url: https://fevir.net/resources/Evidence/179591

identifier: FEvIR Object Identifier/179591

name: NetEffectContribution_for_ComparativeEvidence_Bypass_surgery_effects_on_Additional_GI_surgical_procedure_in_JAMA_2018_Norwegian_cohort_study

title: NetEffectContribution for ComparativeEvidence: Bypass surgery effects on Additional GI surgical procedure in JAMA 2018 Norwegian cohort study

citeAs:

NetEffectContribution for ComparativeEvidence: Bypass surgery effects on Additional GI surgical procedure 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 179591. Revised 2026-01-07. Available at: https://fevir.net/resources/Evidence/179591. Computable resource at: https://fevir.net/resources/Evidence/179591#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\u2009=\u20092109) 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

observed: GroupAssignment: Bariatric Surgery vs. no bariatric surgery

variableDefinition

description:

Additional GI surgical procedure

\n

variableRole: Outcome

observed: OutcomeVariable: Additional GI surgical procedure

variableDefinition

RelativeOutcomeImportance: Outcome Importance Rating of DichotomousIntendedOutcome: Additional gastrointestinal surgical procedure 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: -387.5

AttributeEstimates

-TypeLevelRange
*confidence interval0.95-542.5--271.25

ModelCharacteristics

-Code
*Net effect contribution analysis
" }, "url" : "https://fevir.net/resources/Evidence/179591", "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" : "179591", "assigner" : { "display" : "Computable Publishing LLC" } }], "name" : "NetEffectContribution_for_ComparativeEvidence_Bypass_surgery_effects_on_Additional_GI_surgical_procedure_in_JAMA_2018_Norwegian_cohort_study", "title" : "NetEffectContribution for ComparativeEvidence: Bypass surgery effects on Additional GI surgical procedure in JAMA 2018 Norwegian cohort study", "citeAs" : "NetEffectContribution for ComparativeEvidence: Bypass surgery effects on Additional GI surgical procedure 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 179591. Revised 2026-01-07. Available at: https://fevir.net/resources/Evidence/179591. Computable resource at: https://fevir.net/resources/Evidence/179591#json.", "status" : "active", "author" : [{ "name" : "Computable Publishing: Net Effect Generator" }, { "name" : "Brian S. Alper, MD, MSPH" }], "publisher" : "Computable Publishing LLC", "contact" : [{ "telecom" : [{ "system" : "email", "value" : "support@computablepublishing.com" }] }], "copyright" : "https://creativecommons.org/licenses/by-nc-sa/4.0/", "description" : "This Evidence Resource is referenced in an example for the EBMonFHIR Implementation Guide.", "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\u2009=\u20092109) with severe obesity assessed (221 patients excluded and 1888 patients included).", "variableRole" : "population", "observed" : { "reference" : "Group/178427", "type" : "Group", "display" : "StudyGroup: Severely Obese Adults 2018 Norwegian Cohort" } }, { "description" : "bariatric surgery vs. specialized medical treatment without bariatric surgery", "variableRole" : "exposure", "comparatorCategory" : "no bariatric surgery", "observed" : { "reference" : "EvidenceVariable/172427", "type" : "EvidenceVariable", "display" : "GroupAssignment: Bariatric Surgery vs. no bariatric surgery" } }, { "description" : "Additional GI surgical procedure", "variableRole" : "outcome", "observed" : { "reference" : "EvidenceVariable/104120", "type" : "EvidenceVariable", "display" : "OutcomeVariable: Additional GI surgical procedure" } }, { "extension" : [{ "url" : "http://hl7.org/fhir/uv/ebm/StructureDefinition/relative-outcome-importance", "valueReference" : { "reference" : "ArtifactAssessment/423315", "type" : "ArtifactAssessment", "display" : "Outcome Importance Rating of DichotomousIntendedOutcome: Additional gastrointestinal surgical procedure for StudyEligibilityCriteria: Eligibility Criteria for Bariatric Surgery Randomized Trial (Diabetes Surgery Study)" } }], "variableRole" : "covariate", "roleSubtype" : { "text" : "Relative Value Multiplier" }, "observed" : { "display" : "Relative Importance Multiplier" } }], "statistic" : [{ "statisticType" : { "coding" : [{ "system" : "https://fevir.net/sevco", "code" : "STATO:0000424", "display" : "risk difference" }] }, "quantity" : { "value" : -387.5 }, "attributeEstimate" : [{ "type" : { "coding" : [{ "system" : "https://fevir.net/sevco", "code" : "STATO:0000196", "display" : "confidence interval" }] }, "level" : 0.95, "range" : { "low" : { "value" : -542.5 }, "high" : { "value" : -271.25 } } }], "modelCharacteristic" : [{ "code" : { "text" : "Net effect contribution analysis" } }] }] }