Generated Narrative: Evidence

StructureDefinition Work Group: cds

url: https://fevir.net/resources/Evidence/47760

identifier: FEvIR Object Identifier: 47760

version: 1.0.0-ballot

name: ComparativeEvidence_Mean_difference_in_HbA1c_between_Surgery_and_Medical_Lifestyle_groups_in_Dixon_2008

title: ComparativeEvidence: Mean difference in HbA1c between Surgery and Medical/Lifestyle groups in Dixon 2008

status: active

date: 2022-05-29 11:01:34+0000

publisher: HL7 International / Clinical Decision Support

contact: HL7 International / Clinical Decision Support: http://www.hl7.org/Special/committees/dss

author: Brian S. Alper:

UseContexts

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

relatedArtifact

type: derived-from

label: data source

display: Figure 2C

citation: Metabolic Surgery in the Treatment Algorithm for Type 2 Diabetes: A Joint Statement by International Diabetes Organizations [Journal Article]. Contributors: Francesco Rubino, David M Nathan, Robert H Eckel, Philip R Schauer, K George M M Alberti, Paul Z Zimmet, Stefano Del Prato, Linong Ji, Shaukat M Sadikot, William H Herman, Stephanie A Amiel, Lee M Kaplan, Gaspar Taroncher-Oldenburg, David E Cummings, Delegates of the 2nd Diabetes Surgery Summit. In: Diabetes care, PMID 27222544. Published June 2016. Available at: https://pubmed.ncbi.nlm.nih.gov/27222544/.

document

relatedArtifact

type: cite-as

citation: ComparativeEvidence: Mean difference in HbA1c between Surgery and Medical/Lifestyle groups in Dixon 2008 [Evidence]. Contributors: In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 47760. Revised 2022-05-29. Available at: https://fevir.net/resources/Evidence/47760. Computable resource at: https://fevir.net/resources/Evidence/47760.

description: Mean HbA1c at 24 months in Dixon 2008 was 6% in Surgery group (n = 30) and 7.2% in Medical/Lifestyle group (n = 30), mean difference -1.20% (95% CI -1.78% to -0.62%)

variableDefinition

VariableDefinitionVariableRoleCode: population

description: 60 Patients with BMI>30 and BMI<40 and T2DM diagnosed in the last 2 years

note: population

variableRole: Use extension:variableRoleCode instead. (EvidenceVariableRole#population "population")

observed: : Dixon 2008 Trial Enrollment Group

variableDefinition

VariableDefinitionVariableRoleCode: exposure

VariableDefinitionComparatorCategory: no bariatric surgery

description: Laparoscopic Adjustable Gastric Banding LAGB gastric bypass vs. medical treatment (Conventional Diabetes Therapy)

note: exposure

variableRole: Use extension:variableRoleCode instead. (EvidenceVariableRole#exposure "exposure")

intended: EvidenceVariable/172427: GroupAssignment: Bariatric Surgery vs. no bariatric surgery "GroupAssignment_Bariatric_Surgery_vs_no_bariatric_surgery"

variableDefinition

VariableDefinitionVariableRoleCode: outcome

description: HbA1c at 24 months

note: outcome

variableRole: Use extension:variableRoleCode instead. (EvidenceVariableRole#measuredVariable "measured variable")

observed: EvidenceVariable/173246: OutcomeVariable: HbA1c at 24 months "OutcomeVariable_HbA1c_at_24_months"

synthesisType: not applicable (StatisticSynthesisType#NotApplicable)

studyDesign: randomized assignment (Scientific Evidence Code System (SEVCO) -- EXAMPLE VERSION for EBMonFHIR Implementation Guide#SEVCO:01003)

statistic

description: mean difference -1.20% (95% CI -1.78% to -0.62%)

note: Mean HbA1c at 24 months in Dixon 2008 was 6% in Surgery group (n = 30) and 7.2% in Medical/Lifestyle group (n = 30)

statisticType: Mean Difference (StatisticStatisticType#0000457)

quantity: -1.2 % (Details: UCUM code % = '%')

SampleSizes

-	NumberOfParticipants	KnownDataCount
*	60	60

AttributeEstimates

-	Description	Type	Level	Range
*	95% CI -1.78% to -0.62%	Confidence interval (StatisticAttribute Estimate Type#C53324)	0.95	-1.78--0.62 %