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Blinded versus unblinded estimation of a correlation coefficient to inform interim design adaptations

Regulatory authorities require that the sample size of a confirmatory trial is calculated prior to the start of the trial. However, the sample size quite often depends on parameters that might not be known in advance of the study. Misspecification of these parameters can lead to under‐ or overestima...

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Detalles Bibliográficos
Autores principales: Kunz, Cornelia U., Stallard, Nigel, Parsons, Nicholas, Todd, Susan, Friede, Tim
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5412911/
https://www.ncbi.nlm.nih.gov/pubmed/27886393
http://dx.doi.org/10.1002/bimj.201500233