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

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  • Berger, Agnes
  • Wallenstein, Sylvan

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.

Suggested Citation

  • Berger, Agnes & Wallenstein, Sylvan, 1993. "The effect of grouping on the power of the Mantel--Haenszel test for the comparison of survival rates," Statistics & Probability Letters, Elsevier, vol. 16(1), pages 19-25, January.
    • Handle: RePEc:eee:stapro:v:16:y:1993:i:1:p:19-25
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