Table 3.
Comparison of the predictive accuracies of prognostic factorsᅟ
| Model | Overall Survival (N = 285) | Recurrence free survival (N = 285) | ||
|---|---|---|---|---|
| C-Index | AIC | C-Index | AIC | |
| IDH1 | 0.566 | 798.932 | 0.579 | 833.571 |
| TNM stage | 0.694 | 746.2725 | 0.724 | 779.0914 |
| TNM stage+IDH1 | 0.722 | 738.6321 | 0.749 | 769.0795 |
| T stage | 0.686 | 750.3168 | ||
| T stage+IDH1 | 0.716 | 738.1326 | ||
| N stage | 0.563 | 777.9406 | 0.55 | 819.1828 |
| N stage+IDH1 | 0.62 | 772.8811 | 0.615 | 813.6082 |
| Fuhrman grade | 0.663 | 781.1461 | 0.656 | 818.4013 |
| Fuhrman grade + IDH1 | 0.678 | 777.1598 | 0.68 | 813.3012 |
| Tumor size | 0.683 | 766.2329 | 0.703 | 793.0312 |
| Tumor size+IDH1 | 0.712 | 759.9979 | 0.738 | 785.7259 |
| Nomogram | 0.779 | 716.8505 | 0.798 | 749.2201 |
| SSIGN | 0.748 | 732.8423 | 0.77 | 764.8564 |