Biesheuvel EHE, Hothorn LA. Protocol Designed Subgroup Analyses in Multiarmed Clinical Trials: Multiplicity Aspects.
J Biopharm Stat 2007;
13:663-73. [PMID:
14584714 DOI:
10.1081/bip-120024201]
[Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Subgroup analyses are quite common in clinical trials although the subgroup findings are usually presented without adjustment for the multiple analyses, which increases the chance of false positive findings. This paper is focused on the multiplicity aspects of subgroup analyses in multiarmed randomized clinical trials and provides some guidance to practitioners.
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