表 4. ROC curve result analysis.
ROC曲线结果分析
Predictive factor | Cut-off | Sensitivity | Specificity | AUC | 95% CI |
PGⅠ/PGⅡ | 2.32 | 80.25% | 75.00% | 0.828 | 0.743-0.893 |
CEA | 66.99 ng/mL | 77.78% | 75.00% | 0.795 | 0.707-0.867 |
CA199 | 110.35 U/mL | 81.48% | 71.43% | 0.685 | 0.589-0.770 |
CA724 | 44.20 U/mL | 79.01% | 78.57% | 0.759 | 0.667-0.836 |
Combination | 75.31% | 96.43% | 0.924 | 0.857-0.966 |