Multiple comparisons between successive treatments for randomly right-censored survival data

Yuh Ing Chen, Yunchan Chi

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


In this paper we are concerned with the problem of comparing adjacent ordered treatments in a one-way layout where survival data are subject to random right censorship. Multiple testing procedures based on two-sample statistics, each comparing an individual treatment with the previous one, are proposed for determining the pattern of the treatment effects. The two-sample statistics under consideration are weighted logrank statistics (Fleming and Harrington, 1991, Counting Process and Survival Analysis. Wiley, New York) and weighted Kaplan-Meier statistics (Pepe and Fleming, 1989. Biometrics 45, 497-507; 1991. J. Roy. Statist. Soc. B 53, 341-352). An illustrated numerical example is reported. Finally, the comparative results of a Monte Carlo error rate and power study for small sample sizes are presented.

Original languageEnglish
Pages (from-to)137-151
Number of pages15
JournalJournal of Statistical Planning and Inference
Issue number1
StatePublished - 1 Jan 2000


  • 62J15
  • 62N05
  • Monte Carlo study
  • Multiple comparisons
  • One-way layout
  • Right-censored data


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