Subgroup analyses in randomised controlled trials: cohort study on trial protocols and journal publications

Kasenda, Benjamin; Schandelmaier, Stefan; Sun, Xin; von Elm, Erik; You, Jeonghwa; Blümle, Anette; Tomonaga, Yuki; Saccilotto, Ramon; Amstutz, Alain; Bengough, Theresa; J Meerpohl, Joerg; Stegert, Mihaela; Olu, K.K.; A.O. Tikkinen, Kari; Neumann, I; Carrasco‐Labra, Alonso; Faulhaber, M.; Mulla, S.; Mertz, Dominik; A. Akl, Elie; Bassler, Dirk; W. Busse, Jason; Ferreira‐González, Ignacio; Lamontagne, François; J. Nordmann, A.; Gloy, Viktoria; Raatz, Heike; Moja, Lorenzo; Rosenthal, Rachel; Ebrahim, Shanil; Olav Vandvik, Per; C. Johnston, Bradley; A. Walter, Martin; Burnand, Bernard; Schwenkglenks, Matthias; G. Hemkens, Lars; C. Bucher, Heiner; H. Guyatt, G.; Briel, Matthias

doi:10.1136/bmj.g4539

Public

Subgroup analyses in randomised controlled trials: cohort study on trial protocols and journal publications

Published in BMJ • Jul 16, 2014

Authors:

Benjamin Kasenda

Stefan Schandelmaier

Xin Sun

Abstract

OBJECTIVE: To investigate the planning of subgroup analyses in protocols of randomised controlled trials and the agreement with corresponding full journal publications. DESIGN: Cohort of protocols of randomised controlled trial and subsequent full journal publications. SETTING: Six research ethics c...

Subject

Subgroup analysis

Medicine

Clinical trial

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