March 27, 2013Open Access
The Impact of Study Size on Meta-analyses: Examination of Underpowered Studies in Cochrane Reviews
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Abstract
When at least two adequately powered studies are available in meta-analyses reported by Cochrane reviews, underpowered studies often contribute little information, and could be left out if a rapid review of the evidence is required. However, underpowered studies made up the entirety of the evidence in most Cochrane reviews.
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Authors
R
Rebecca Turner
MRC Clinical Trials Unit at UCL
S
Sheila M. Bird
Edinburgh College
Julian P. T. Higgins
University of Bristol
Journals
PLoS ONE
SHILAP Revista de lepidopterología
Actions
Institutions
University of Bristol
University of York
MRC Biostatistics Unit
References and Citations
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