Models | C-index(95% CI) | P* |
---|
High grade |
Model 1 | 0.740 (0.727–0.754) | – |
Model 2 | 0.734 (0.720–0.747) | 0.0006 |
Low grade |
Model 3 | 0.717 (0.673–0.761) | – |
Model 4 | 0.714 (0.671–0.758) | 0.474 |
- SEER the Surveillance Epidemiology, and End Results database, AJCC the American Joint Committee on Cancer
- *P values were obtained by comparing model 1 with model 2,as well as model 3 with model 4