Abstract:The complication in analyzing tumor data is that the tumors detected in a screening program tend to be slowly progressive tumors, which is the so-called left-truncated sampling that is inherent in screening studies. Under the assumption that all subjects have the same tumor growth function, Ghosh (2008) developed estimation procedures for the Cox proportional hazards model. Shen (2011) demonstrated that Ghosh (2008)'s approach can be extended to the case when each subject has a specific growth function. In thi… Show more
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