Table 3.
Comparison of the predictive accuracies of prognostic factors.
| Model | Overall survival (n = 358) |
Recurrence free survival (n = 358) |
||
|---|---|---|---|---|
| C-index | AIC | C-index | AIC | |
| SUV39H1 | 0.628 | 780.1949 | 0.600 | 828.7987 |
| TNM stage | 0.589 | 771.5985 | 0.576 | 816.8801 |
| TNM stage+SUV39H1 | 0.688 | 752.7648 | 0.652 | 808.8266 |
| Fuhrman grade | 0.614 | 788.2059 | 0.609 | 825.5831 |
| Fuhrman grade+SUV39H1 | 0.696 | 767.8118 | 0.665 | 817.0112 |
| Tumor size | 0.683 | 766.2329 | 0.703 | 793.0312 |
| Tumor size+SUV39H1 | 0.748 | 742.5755 | 0.749 | 781.6016 |
| Nomogram | 0.791 | 722.4722 | 0.782 | 768.5916 |
| SSIGN | 0.678 | 768.2519 | 0.702 | 789.5096 |
AIC, Akaike information criterion; C-index: Harrell's concordance index.