A meta-analysis of temporal changes of response in the placebo arm of surgical randomized controlled trials: an update

Abstract Background Temporal changes in the placebo arm of randomized controlled trials (RCTs) have not been thoroughly investigated, despite the fact that results of RCTs depend on the comparison between arms. Methods In this update of our earlier systematic review and meta-analysis, we set out to...

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Bibliographic Details
Main Authors: Karolina A. Wartolowska, Stephen Gerry, Benjamin G. Feakins, Gary S. Collins, Jonathan Cook, Andrew Judge, Andrew J. Carr
Format: Article
Published: BMC 2017-07-01
Online Access:http://link.springer.com/article/10.1186/s13063-017-2070-9