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On the Choice of Variance for the Log Rank Test

Mark Brown
Biometrika
Vol. 71, No. 1 (Apr., 1984), pp. 65-74
Published by: Oxford University Press on behalf of Biometrika Trust
DOI: 10.2307/2336398
Stable URL: http://www.jstor.org/stable/2336398
Page Count: 10
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
On the Choice of Variance for the Log Rank Test
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Abstract

The log rank test is widely used for comparison of survival curves. This paper examines various estimators for the variance of the log rank test statistic. These include the Mantel-Haenszel variance, the permutation variance of Peto & Peto and several newly proposed estimators. The results generalize to a class of test statistics proposed by Tarone & Ware.

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