Linear transformation models for survival analysis with tumor growth information in cancer screening study

Pao-Sheng Shen

Communications in Statistics - Theory and Methods, 2017, vol. 46, issue 4, 1916-1926

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 (2011a) demonstrated that Ghosh (2008)'s approach can be extended to the case when each subject has a specific growth function. In this article, under linear transformation model, we present a general framework to the analysis of data from cancer screening studies. We developed estimation procedures under linear transformation model, which includes Cox's model as a special case. A simulation study is conducted to demonstrate the potential usefulness of the proposed estimators.

Date: 2017
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DOI: 10.1080/03610926.2015.1030425

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