Table 3.
The results of the C-index and the Hosmer-Lemeshow.
| C-index（95CI%） | corected C-index (Bootstrap, B=1000) | χ2 value | p valuea | |
|---|---|---|---|---|
| PFS | ||||
| Radiomics model | 0.712 (0.680–0.744) | 0.671 (0.723–0.834) | 6.741 | 0.565 |
| Clinical model | 0.690 (0.664–0.717) | 0.689 (0.639–0.744) | 0.000 | 1.000 |
| Complex model | 0.734 (0.705–0.762) | 0.730 (0.678–0.788) | 0.150 | 0.928 |
| OS | ||||
| Radiomics model | 0.758 (0.728–0.789) | 0.718 (0.682–0.795) | 7.286 | 0.506 |
| Clinical model | 0.738 (0.709–0.767) | 0.736 (0.680–0.794) | 2.470 | 0.291 |
| Complex model | 0.780 (0.754–0.807) | 0.772 (0.723–0.834) | 11.605 | 0.071 |
χ2 and ap value for the Hosmer-Lemeshow test.