From: A modified clinicopathological tumor staging system for survival prediction of patients with penile cancer
Staging system
Training cohort
External validation cohort
AUC
C-index
Bootstrap C-index
8th AJCC-T staging system
0.691
0.696
0.697
0.698
0.686
Modified staging system
0.743
0.739
0.738
0.765
0.751