The magnitude and temporal changes of response in the placebo arm of surgical randomized controlled trials: a systematic review and meta-analysis

BACKGROUND: Understanding changes in the placebo arm is essential for correct design and interpretation of randomized controlled trials (RCTs). It is assumed that placebo response, defined as the total improvement in the placebo arm of surgical trials, is large; however, its precise magnitude and pr...

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Detalhes bibliográficos
Publicado no:Trials
Main Authors: Wartolowska, Karolina A., Feakins, Benjamin G., Collins, Gary S., Cook, Jonathan, Judge, Andrew, Rombach, Ines, Dean, Benjamin J. F., Smith, James A., Carr, Andrew J.
Formato: Artigo
Idioma:Inglês
Publicado em: BioMed Central 2016
Assuntos:
Review
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC5154040/
https://ncbi.nlm.nih.gov/pubmed/27955685
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s13063-016-1720-7
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