Survey of claims of no effect in abstracts of Cochrane reviews

Ref ID 411
First Author P. Alderson
Journal BMJ
Year Of Publishing 2003
Keywords Cochrane
Problem(s) Incorrect interpretation or statistical inference error from meta-analysis
Number of systematic reviews included 989
Summary of Findings Inappropriate claims of no effect or difference were made in 22.5% abstracts published in 2001 issue of the Cochrane Database of Systematic Reviews and in 13.3% abstracts first published in 2002.
Did the article find that the problem(s) led to qualitative changes in interpretation of the results? Not Applicable
Are the methods of the article described in enough detail to replicate the study? Yes