U Regression and Survival Analysis

N. J.D. Nagelkerke, F. A. Plummer

Research output: Contribution to journalArticlepeer-review


The problem of survival analysis with covariates when observations are subject to irregular interval censoring is considered. A proportional hazards model is assumed. A pseudo likelihood based on the comparison of all pairs of individuals whose survival times can be ordered, is proposed. Statistical properties of the maximum pseudo likelihood estimator and its score test are explored. Several examples are presented, one of which is an examination of the effect of covariates on HIV seroconversion.

Original languageEnglish
Pages (from-to)791-800
Number of pages10
JournalBiometrical Journal
Issue number7
Publication statusPublished - 1990
Externally publishedYes


  • Interval censoring
  • Proportional hazards
  • Pseudo likelihood
  • Regression analysis
  • Score tests
  • Survival analysis
  • U statistics

ASJC Scopus subject areas

  • Statistics and Probability
  • Statistics, Probability and Uncertainty


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