Survival Analysis of Bladder Cancer Patients Insured in Syrian Insurance Companies During the Period 2010-2020

Abstract

The aim of this research is to analyze the survival rates of bladder cancer patients for insured patients in Syrian insurance companies during the period 2010-2020, and to discuss the differences in these rates and the average life expectancy before death for each of the sexes and for each age group among the four categories. The research found that there are fundamental differences in survival rates and life expectancy between age groups, as the life expectancy of the young age group was the lowest, with an average of 92 days, which it is slightly higher in females, knowing that they are the least likely group to be exposed to this disease, while the group most exposed to the disease is the category (40-60), as it includes approximately 57.7% of the sample size of the insured patients against bladder cancer. The research also found that there are fundamental differences in the average life expectancy between males and females, as the average life expectancy of the insured males with bladder cancer was approximately 473 days. As for female patients, the average life expectancy was approximately 265 days, with a difference of about half that of males. In addition, the research concluded that it is not recommended to use the Cox regression model to estimate the effect size of sex in estimating survival rates, as this model did not show any statistical significance when the categorical variable is sex, while the Cox regression is considered significant and statistically significant for predicting survival rates based on age groups.