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Data sharing and reanalysis of randomized controlled trials in leading biomedical journals with a full data sharing policy : survey of studies published in The BMJ and PLOS Medicine

BMJ 2018 ; 360 (Published 13 February 2018)

Publié le 15 février 2018, par Thérèse Hameau

Abstract

Objectives To explore the effectiveness of data sharing by randomized controlled trials (RCTs) in journals with a full data sharing policy and to describe potential difficulties encountered in the process of performing reanalyses of the primary outcomes.

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Conclusions Data availability was not optimal in two journals with a strong policy for data sharing. When investigators shared data, most reanalyses largely reproduced the original results. Data sharing practices need to become more widespread and streamlined to allow meaningful reanalyses and reuse of data.

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