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The Stata Journal
Volume 2 Number 2: pp. 140-150



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strbee: Randomization–based efficacy estimator

Ian R. White
MRC Biostatistics Unit, Cambridge, UK
[email protected]
Sarah Walker
MRC Clinical Trials Unit, London, UK
Abdel Babiker
MRC Clinical Trials Unit, London, UK
[email protected]
Abstract.   strbee analyzes a two-group clinical trial with a survival outcome, in which some subjects may “crossover” to receive the treatment of the other arm. Adjustment for treatment crossover is done by a randomization-respecting method that preserves the intention-to-treat p-value.
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