Journal article
Randomized trials are frequently fragmented in multiple secondary publications
Abstract
OBJECTIVE: To assess the frequency and features of secondary publications of randomized controlled trials (RCTs).
STUDY DESIGN AND SETTING: For 191 RCTs published in high-impact journals in 2009, we searched for secondary publications coauthored by at least one same author of the primary trial publication. We evaluated the probability of having secondary publications, characteristics of the primary trial publication that predict having …
Authors
Ebrahim S; Montoya L; Din MKE; Sohani ZN; Agarwal A; Bance S; Saquib J; Saquib N; Ioannidis JPA
Journal
Journal of Clinical Epidemiology, Vol. 79, , pp. 130–139
Publisher
Elsevier
Publication Date
11 2016
DOI
10.1016/j.jclinepi.2016.05.016
ISSN
0895-4356