淡江大學機構典藏:Item 987654321/97753
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    题名: Cox regression for mixed case interval-censored data with covariate errors
    作者: Wen, C.C.
    贡献者: 淡江大學數學學系暨研究所
    关键词: Interval censoring;Measurement error;Proportional hazards model;Self-consistency
    日期: 2012-07
    上传时间: 2014-04-21
    出版者: New York: Springer New York LLC
    摘要: Covariate measurement error problems have been extensively studied in the context of right-censored data but less so for interval-censored data. Motivated by the AIDS Clinical Trial Group 175 study, where the occurrence time of AIDS was examined only at intermittent clinic visits and the baseline covariate CD4 count was measured with error, we describe a semiparametric maximum likelihood method for analyzing mixed case interval-censored data with mismeasured covariates under the proportional hazards model. We show that the estimator of the regression coefficient is asymptotically normal and efficient and provide a very stable and efficient algorithm for computing the estimators. We evaluate the method through simulation studies and illustrate it with AIDS data.
    關聯: Lifetime Data Analysis 18(3), pp.321-338
    DOI: 10.1007/s10985-012-9220-x
    显示于类别:[應用數學與數據科學學系] 期刊論文

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