The Resource Use of mixed treatment comparisons in systematic reviews, investigators, Craig I. Coleman ... [et al.], (electronic resource)

Use of mixed treatment comparisons in systematic reviews, investigators, Craig I. Coleman ... [et al.], (electronic resource)

Label
Use of mixed treatment comparisons in systematic reviews
Title
Use of mixed treatment comparisons in systematic reviews
Statement of responsibility
investigators, Craig I. Coleman ... [et al.]
Contributor
Subject
Genre
Language
  • eng
  • eng
Summary
OBJECTIVES: To summarize publically available guidance for, and current use of, meta-analytic methods for mixed treatment comparison (MTC) evidence synthesis; to identify analyses using these methods and summarize their characteristics; to gain insight regarding the rationale for selection, implementation, and reporting of such methods from investigators. METHODS: In part one, we identified currently available guidance documents addressing the use of MTC in evidence synthesis by searching governmental agencies' and participating members' of the International Network of Agencies for Health Technology Assessment Web sites. Commonalities and disagreements among guidance documents were summarized qualitatively. Next, in part two, a systematic literature search for MTCs was undertaken. Characteristics of included analysis were summarized qualitatively. Last, in part three, we invited a random selection of nine investigators from the systematic literature search to participate in a focus group. Using a Web-based series of questions, we queried respondents regarding their opinion of network meta-analysis and how elements of MTC methodology were chosen in their identified analysis. Responses were summarized qualitatively. RESULTS: Guidance documents were typically written in a fashion to be applicable to network meta-analysis in general and not to a specific methodology. Guidance documents stressed Bayesian and Frequentist MTC approaches have strengths and limitations, while only one guidance document attempted to comprehensively address how to conduct a network meta-analysis and how to interpret and report results. Our systematic review identified 42 MTCs of which the majority used Bayesian methods (80.9 percent). Bayesian analyses either used noninformative priors or did not report detail about priors used. Data regarding the evaluation of convergence, heterogeneity, and inconsistency were not consistently reported, and from those providing detail, it appears a broad range of methods were used. Due to the infrequent use of Frequentist methods for MTC and poor response rate to our focus group invitation, all respondents had conducted a MTC using Bayesian methods. Consequently, we were unable to compare/contrast the viewpoints of investigators who used these two different methods. CONCLUSION: Additional guidance on how and when to conduct a MTC, as well as how to interpret and report results is needed. Published meta-analyses using these methods varied in how they conducted and reported results
Member of
Cataloging source
DNLM
Funding information
Prepared for: Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services, 540 Gaither Road, Rockville, MD 20850; www.ahrq.gov Contract No. 290-2007-10067-I. Prepared by: University of Connecticut/Hartford Hospital Evidence-based Practice Center, Hartford, CT
Government publication
federal national government publication
Illustrations
illustrations
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • bibliography
NLM call number
W 20.5
http://library.link/vocab/relatedWorkOrContributorName
  • Coleman, Craig I
  • United States
  • University of Connecticut-Hartford Hospital Evidence-based Practice Center
Series statement
  • Methods research reports
  • AHRQ publication
Series volume
no. 12-EHC119-EF
http://library.link/vocab/subjectName
  • Biomedical Research
  • Research Design
  • Bayes Theorem
Label
Use of mixed treatment comparisons in systematic reviews, investigators, Craig I. Coleman ... [et al.], (electronic resource)
Instantiates
Publication
Note
"August 2012."
Bibliography note
Includes bibliographical references
Color
multicolored
Dimensions
unknown
Extent
1 online resource (PDF file (various pagings))
Form of item
online
Other physical details
ill.
Specific material designation
remote
System control number
  • 1595676
  • (DNLM)BKSHLF:NBK107330
Label
Use of mixed treatment comparisons in systematic reviews, investigators, Craig I. Coleman ... [et al.], (electronic resource)
Publication
Note
"August 2012."
Bibliography note
Includes bibliographical references
Color
multicolored
Dimensions
unknown
Extent
1 online resource (PDF file (various pagings))
Form of item
online
Other physical details
ill.
Specific material designation
remote
System control number
  • 1595676
  • (DNLM)BKSHLF:NBK107330

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