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Many scenarios exist for selective inclusion and reporting of results in randomized trials and systematic reviews.
MedLine Citation:
PMID:  23337785     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: To collate and categorize the ways in which selective inclusion and reporting can occur in randomized controlled trials (RCTs) and systematic reviews. STUDY DESIGN AND SETTING: Searches of the Cochrane Methodology Register, PubMed, and PsycInfo were conducted in April 2011. Methodological reports describing empirically investigated or hypothetical examples of selective inclusion or reporting were eligible for inclusion. Examples were extracted from the reports by one author and categorized by three authors independently. Discrepancies in categorization were resolved via discussion. RESULTS: Two hundred ninety reports were included. The majority were empirical method studies (45.5%) or commentaries (29.3%). Eight categories (30 examples) of selective reporting in RCTs, eight categories (27 examples) of selective inclusion in systematic reviews, and eight categories (33 examples) of selective reporting in systematic reviews were collated. Broadly, these describe scenarios in which multiple outcomes or multiple data for the same outcome are available, yet only a subset is included or reported; outcome data are reported with inadequate detail; or outcome data are given different prominence through its placement across or within reports. CONCLUSION: An extensive list of examples of selective inclusion and reporting was collated. Increasing trialists' and systematic reviewers' awareness of these examples may minimize their occurrence.
Authors:
Matthew J Page; Joanne E McKenzie; Andrew Forbes
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-18
Journal Detail:
Title:  Journal of clinical epidemiology     Volume:  -     ISSN:  1878-5921     ISO Abbreviation:  J Clin Epidemiol     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8801383     Medline TA:  J Clin Epidemiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 Elsevier Inc. All rights reserved.
Affiliation:
School of Public Health and Preventive Medicine, Monash University, Level 6, The Alfred Centre, 99 Commercial Road, Melbourne, Victoria 3004, Australia. Electronic address: matthew.page@monash.edu.
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