A systematic review of analytical methods used to study subgroups in (individual patient data) meta-analyses.

OBJECTIVES: To determine whether individual patient data meta-analyses (IPDMA) are used to perform subgroup analyses and to study whether the analytical methods regarding subgroup analyses differ between IPDMA and conventional meta-analyses (CMA). STUDY DESIGN AND SETTING: IPDMA were identified wit...

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Bibliographic Details
Main Authors: Koopman, L, van der Heijden, G, Glasziou, P, Grobbee, D, Rovers, M
Format: Journal article
Language:English
Published: 2007