Sex differences in 5-year relative survival of colorectal patients for subgroups by subsite and age.

RS: relative survival point estimate, SE: standard error of the estimate, RER: relative excess risk women vs. men, CI: confidence interval.*adjusting for age, stage and subsite, including interaction of sex with age and sex with subsite.Estimates of relative excess risk (RER) associated with female sex were derived using multivariate model* (‘Colon - unspecified/other’ subsite cases were omitted).