Weighted competing risks quantile regression models and variable selection

Erqian Li, Jianxin Pan, Man Lai Tang, Keming Yu, Hardle Wolfgang Karl, Xiaowen Dai, Maozai Tian

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The proportional subdistribution hazards (PSH) model is popularly used to deal with competing risks data. Censored quantile regression provides an important supplement as well as variable selection methods due to large numbers of irrelevant covariates in practice. In this paper, we study variable selection procedures based on penalized weighted quantile regression for competing risks models, which is conveniently applied by researchers. Asymptotic properties of the proposed estimators, including consistency and asymptotic normality of non-penalized estimator and consistency of variable selection, are established. Monte Carlo simulation studies are conducted, showing that the proposed methods are considerably stable and efficient. Real data about bone marrow transplant (BMT) are also analyzed to illustrate the application of the proposed procedure.
Original languageEnglish
Article number1295
Pages (from-to)1-23
Number of pages23
Issue number6
Publication statusPublished - 8 Mar 2023


  • bone marrow transplant
  • competing risks
  • cumulative incidence function
  • re-distribution method


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