The proportional hazards model for multiple type recurrent gap times |
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Authors: | Ji-cai Liu Huan-bin Liu Ri-quan Zhang |
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Institution: | 1.Department of Statistics,East China Normal University,Shanghai,China;2.College of Mathematics and Computer Science Huanggang Normal University,Huangzhou,China;3.Department of Mathematics,Shanxi Datong University,Datong,China |
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Abstract: | Recurrent events data and gap times between recurrent events are frequently encountered in many clinical and observational studies, and often more than one type of recurrent events is of interest. In this paper, we consider a proportional hazards model for multiple type recurrent gap times data to assess the effect of covariates on the censored event processes of interest. An estimating equation approach is used to obtain the estimators of regression coefficients and baseline cumulative hazard functions. We examine asymptotic properties of the proposed estimators. Finite sample properties of these estimators are demonstrated by simulations. |
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