Is a subgroup effect believable? Updating criteria to evaluate the credibility of subgroup analyses.
Sun
Xin
X
Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, ON, Canada.
Briel
Matthias
M
Walter
Stephen D
SD
Guyatt
Gordon H
GH
D003627:Data Interpretation, Statistical; D011897:Random Allocation; D016032:Randomized Controlled Trials as Topic; D012107:Research Design