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Application of survival analysis on malaria among children: A case study of University of Ilorin Teaching Hospital


J.I. Ariyo
A.A. Abiodun
B.A. Oyejola

Abstract

This study examined the influence of some covariates age, sex, and presence of  consultant on the risk of death from malaria among children, aged 15 years or less,  admitted at University of Ilorin Teaching Hospital, Kwara State Nigeria. Cox  proportional hazards model was used to analyze the data. Results from analyses showed  that when age of the patients and presence of a consultant at the stage of admission were adjusted for, male patients had lower risk of death than their female counterparts. Those that met with consultants at admission stage had lower risk of death than those who did not. The risk of death for younger children aged 5 years or less was also found to be higher than for those older than 5 years. It was also observed that there were significant interaction effects between age and sex of the children as well as between age and presence of consultant at admission stage.

Key words: Survival Function, Hazard function, Kaplan Meier, Censoring, Partial likelihood.


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eISSN: 1118-1931
print ISSN: 1118-1931