作者
Florian Naudet, Charlotte Sakarovitch, Perrine Janiaud, Ioana Cristea, Daniele Fanelli, David Moher, John PA Ioannidis
发表日期
2018/2/13
来源
Bmj
卷号
360
出版商
British Medical Journal Publishing Group
简介
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.
Design
Survey of published RCTs.
Setting
PubMed/Medline.
Eligibility criteria
RCTs that had been submitted and published by The BMJ and PLOS Medicine subsequent to the adoption of data sharing policies by these journals.
Main outcome measure
The primary outcome was data availability, defined as the eventual receipt of complete data with clear labelling. Primary outcomes were reanalyzed to assess to what extent studies were reproduced. Difficulties encountered were described.
Results
37 RCTs (21 from The BMJ and 16 from PLOS Medicine) published between 2013 and 2016 met the eligibility criteria. 17/37 (46%, 95% confidence interval 30% to 62 …
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F Naudet, C Sakarovitch, P Janiaud, I Cristea, D Fanelli… - Bmj, 2018