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The epidemiology of systematic review updates: a longitudinal study of updating of Cochrane reviews, 2003 to 2018.

2019-12-11 epidemiology Title + abstract only
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BackgroundThe Cochrane Collaboration has been publishing systematic reviews in the Cochrane Database of Systematic Reviews (CDSR) since 1995, with the intention that these be updated periodically. ObjectivesTo chart the long-term updating history of a cohort of Cochrane reviews and the impact on the number of included studies. MethodsThe status of a cohort of Cochrane reviews updated in 2003 was assessed at three time points: 2003, 2011, and 2018. We assessed their subject scope, compiled thei...

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