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Parametric Estimation of the Cure Fraction Based on BCH Model Using Left-Censored Data with Covariates

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  • Bader Aljawadi
  • Mohd Rizam A. Bakar
  • Noor Akma Ibrahim
  • Habshah Midi

Abstract

Medical investigations nowadays allow the incorporation of cure individuals in the analysis, especially for chronic diseases such as cancer. Therefore, survival models that incorporate the cured patients in the analysis are called cure rate models. In this paper, we propose an analytical approach for parametric estimation of the cure fraction in cancer clinical trials based on the bounded cumulative hazard (BCH) model with covariates involved in the data set. The analysis is constructed by means of the exponential distribution in the case of left censoring and within the framework of the expectation maximization (EM) algorithm. The analysis provided an analytical solution for the estimation equations of the cure rate parameter.

Suggested Citation

  • Bader Aljawadi & Mohd Rizam A. Bakar & Noor Akma Ibrahim & Habshah Midi, 2011. "Parametric Estimation of the Cure Fraction Based on BCH Model Using Left-Censored Data with Covariates," Modern Applied Science, Canadian Center of Science and Education, vol. 5(3), pages 103-103, June.
    • Handle: RePEc:ibn:masjnl:v:5:y:2011:i:3:p:103
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    References listed on IDEAS

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    1. Rodrigues, Josemar & Cancho, Vicente G. & de Castro, Mrio & Louzada-Neto, Francisco, 2009. "On the unification of long-term survival models," Statistics & Probability Letters, Elsevier, vol. 79(6), pages 753-759, March.
    2. Judy P. Sy & Jeremy M. G. Taylor, 2000. "Estimation in a Cox Proportional Hazards Cure Model," Biometrics, The International Biometric Society, vol. 56(1), pages 227-236, March.
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    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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