The Korean Journal of Applied Statistics (응용통계연구)

The Korean Statistical Society (한국통계학회)
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Confidence Interval for the Difference or Ratio of Two Median Failure Times from Clustered Survival Data

  • Lee, Seung-Yeoun (Department of Applied Mathematics, Sejong University) ;
  • Jung, Sin-Ho (Department of Biostatistics and Bioinformatics, Duke University)
  • Published : 2009.04.30
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Abstract

A simple method is proposed for constructing nonparametric confidence intervals for the difference or ratio of two median failure times. The method applies when clustered survival data with censoring is randomized either (I) under cluster randomization or (II) subunit randomization. This method is simple to calculate and is based on non-parametric density estimation. The proposed method is illustrated with the otology study data and HL-A antigen study data. Moreover, the simulation results are reported for practical sample sizes.

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References

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