Association between survival time and ordinal covariates

C. T. Le; P. M. Grambsch; T. A. Louis

doi:10.2307/2533211

Association between survival time and ordinal covariates

C. T. Le, P. M. Grambsch, T. A. Louis

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

An application of the method of rank correlation is proposed for testing independence between a censored survival time and an ordinal covariate. The test statistic counts the number of concordances minus the number of discordances at each time with event(s) and adds across times; it is expressible as a score statistic within the proportional hazards framework. The proposed test includes as a special case, a generalization of Jonekheere's test against ordered alternatives and as applied to the analysis of categorical data, it can be seen as a generalization of the Mantel- Haenszel procedure.

Original language	English (US)
Pages (from-to)	213-219
Number of pages	7
Journal	Biometrics
Volume	50
Issue number	1
DOIs	https://doi.org/10.2307/2533211
State	Published - 1994
Externally published	Yes

ASJC Scopus subject areas

Statistics and Probability
General Biochemistry, Genetics and Molecular Biology
General Immunology and Microbiology
General Agricultural and Biological Sciences
Applied Mathematics

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AB - An application of the method of rank correlation is proposed for testing independence between a censored survival time and an ordinal covariate. The test statistic counts the number of concordances minus the number of discordances at each time with event(s) and adds across times; it is expressible as a score statistic within the proportional hazards framework. The proposed test includes as a special case, a generalization of Jonekheere's test against ordered alternatives and as applied to the analysis of categorical data, it can be seen as a generalization of the Mantel- Haenszel procedure.

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Association between survival time and ordinal covariates

Abstract

ASJC Scopus subject areas

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