Table 4.
Comparison of prognostic performance among 4 staging systems.
| Overall Survival | Disease-free Survival | |||||
|---|---|---|---|---|---|---|
| Staging system | Training cohort | Validation cohort | Training cohort | Validation cohort | ||
| AIC | ALBI-GGT | 2178.405 | 617.827 | 2961.018 | 938.731 | |
| AJCC | 2220.506 | 628.268 | 2993.223 | 948.234 | ||
| BCLC | 2194.612 | 622.070 | 2975.837 | 949.826 | ||
| CLIP | 2211.851 | 626.315 | 2996.169 | 951.285 | ||
| C-index | ALBI-GGT | 0.706±0.034 | 0.681±0.042 | 0.674±0.032 | 0.610±0.043 | |
| AJCC | 0.615±0.033 | 0.632±0.058 | 0.598±0.029 | 0.587±0.047 | ||
| BCLC | 0.645±0.035 | 0.678±0.060 | 0.617±0.030 | 0.597±0.050 | ||
| CLIP | 0.634±0.037 | 0.669±0.061 | 0.606±0.032 | 0.592±0.051 | ||
AIC, Akaike information criterion; ALBI, Albumin-bilirubin; GGT, Gamma-glutamyl transpeptidase; AJCC, American Joint Committee on Cancer, BCLC, Barcelona Clinic Liver Cancer; CLIP, Cancer of the Liver Italian Program.