The effect of grouping on the power of the Mantel--Haenszel test for the comparison of survival rates

Agnes Berger and Sylvan Wallenstein

Statistics & Probability Letters, 1993, vol. 16, issue 1, 19-25

Abstract: A criterion is found which determines, for a simple case, whether pooling observations increases or decreases the asymptotic efficiency of the Mantel--Haenszel test for treatment effect, in uncensored long term comparative trials in discrete time, under arbitrary one sided alternatives.

Keywords: Pooling; asymptotic; efficiency; C[alpha]; test; follow-up; studies; lag; model (search for similar items in EconPapers)
Date: 1993
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