Table 4.

Multivariate logistic regression analysis of risk factors associated with gender difference in mortality

^*The variables in the final model were selected by forward variable selection method. Age, sex, comorbid illness (cardiovascular, central nervous system, cancer, liver, lung, connective tissue disease, Charlson's score), sites of primary infection (abdomen, respiratory system, skin and soft tissue, urinary track), organ dysfunctions (renal, respiratory, hepatic, metabolic) and prognostic factors (APACHE II score and initial SOFA score) were included in initial model.