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Choice of Non-Inferiority (NI) Margins Does Not Protect against Degradation of Treatment Effects on an Average – An Observational Study of Registered and Published NI Trials

OBJECTIVE: NI margins have to be chosen appropriately to control the risk of degradation of treatment effects in non-inferiority (NI) trials. We aimed to study whether the current choice of NI margins protects sufficiently against a degradation of treatment effect on an average. STUDY DESIGN AND SET...

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Autori principali: Gladstone, Beryl Primrose, Vach, Werner
Natura: Artigo
Lingua:Inglês
Pubblicazione: Public Library of Science 2014
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC4117500/
https://ncbi.nlm.nih.gov/pubmed/25080093
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1371/journal.pone.0103616
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