Journal article
Is a subgroup effect believable? Updating criteria to evaluate the credibility of subgroup analyses
Abstract
How can we tell the difference between spurious and real subgroup effects? This article identifies new criteria and proposes a checklist for judging the credibility of subgroup analyses
Authors
Sun X; Briel M; Walter SD; Guyatt GH
Journal
The BMJ, Vol. 340, No. mar30 3,
Publisher
BMJ
Publication Date
March 30, 2010
DOI
10.1136/bmj.c117
ISSN
0959-8138