ABSTRACT
ABSTRACT: In some researches, the time is a target variable. The factors that may influence the time of an outcome occurring are need to be analyzed. The eect of one factor on the outcome is often modified by another factor because there is an interaction between them, the analysis of which is very important for us to study the mechanism of the eect of the factors on the outcome. This paper proposes the methods used to evaluate the factors influencing the survival time of the patients with cancer, their interactions, and their 95% confidence intervals in the survival analysis.
1 INTRODUCTION
