Fig. 6

Kaplan–Meier survival curves for the high-risk and low-risk groups stratified by clinical factors including age (a, b), sex (c, d), grade (e, f), and stage (g, h) in the whole dataset
Kaplan–Meier survival curves for the high-risk and low-risk groups stratified by clinical factors including age (a, b), sex (c, d), grade (e, f), and stage (g, h) in the whole dataset