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Analysis of Dependently Truncated Data in Cox Framework
1Division of Analysis, Research, and Practice Integration, National Center for Injury Prevention and Control, U.S. Centers for Disease Control and Prevention, Atlanta, GA 30341, USA.
Abstract:
Truncation is a known feature of bone marrow transplant (BMT) registry data, for which the survival time of a leukemia patient is left truncated by the waiting time to transplant. It was recently noted that a longer waiting time was linked to poorer survival. A straightforward solution is a Cox model on the survival time with the waiting time as both truncation variable and covariate. The Cox model should also include other recognized risk factors as covariates. In this paper we focus on estimating the distribution function of waiting time and the probability of selection under the aforementioned Cox model.
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