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The success of nomograms on our sample, with ideal cutoff performance for tumor size and Ki-67 score.
| Cutoff value | Sensitivity | Selectivity | AUC | 95% CI | |
|---|---|---|---|---|---|
| Tumor size (cm) | >2 | 58.80% | 71.70% | 0.695 | 0.646–0.744 |
| Ki-67 score (%) | ≥7.5 | 73.40% | 51.70% | 0.612 | 0.535–0.689 |
| ≥14 | 51.10% | 63.80% |
AUC = area under the receiver operating characteristic (ROC) curve, CI = confidence interval.
