Combined test versus logrank/Cox test in 50 randomised trials

<br/><strong>Background: </strong>The logrank test and the Cox proportional hazards model are routinely applied in the design and analysis of randomised controlled trials (RCTs) with time-to-event outcomes. Usually, sample size and power calculations assume proportional hazards (PH...

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Bibliographic Details
Main Authors: Royston, P, Choodari-Oskooei, B, Parmar, M, Rogers, J
Format: Journal article
Language:English
Published: BioMed Central 2019