A proportional hazard cure model for ordinal responses by self-modeling regression

Aliakbar Mastani Shirazi and Aluisio Pinheiro

Journal of Applied Statistics, 2018, vol. 45, issue 11, 2095-2106

Abstract: In a medical study, patients have various stages of illness. After treatment the patient will be cured or the stage of illness will change. Since there are suitable evidences of a susceptible population by several levels, the authors combine a Self-Modeling ordinal model for the probability of occurrence of an event with a Cox regression for the time of occurrence of an event. We proposed the use of self-modeling ordinal longitudinal where the conditional cumulative probabilities for a category of an outcome have a relation with shape-invariant model. A simulation study is carried out for justification of the methodology. A schizophrenia illness data are analyzed based on our model to see whether the treatment affects the illness.

Date: 2018
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DOI: 10.1080/02664763.2017.1410526

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