Fig. 2

Kaplan–Meier plots in the derivation cohort. Kaplan–Meier plots showed OS divided by the survival path system, BCLC staging system, AJCC staging system, and ART score, respectively, at time slice No.1 (a), time slice No.3 (b), time slice No.5 (c), and time slice No.7 (d) in the derivation cohort