10 Stratified Survival Summary

To combine estimates across strata

rm_survdiff(data=pembrolizumab,time='os_time',status='os_status', 
            covs='sex',strata='cohort',digits=1)

group	N	Observed	Expected	Median (95%CI)
Overall	94	64		14.0 (9.0, 20.1)
Female	58	39	43.0	14.3 (9.7, 23.8)
Male	36	25	21.0	11.2 (6.1, 25.3)
Log Rank Test				ChiSq = 1.9 on 1 df
stratified by cohort				p-value = 0.17