Table 4. .
The ROC curve analysis of the “choline-to-creatine ratio” in detecting malignancy in ovarian tumours
Area under curve | p value | 95% confidence interval | Cut-off value | Sensitivity | Specificity | PPV | NPV | Accuracy | |
Lower bound | Upper bound | ||||||||
0.919 | <0.001 | 0.802 | 1.035 | 1.7 | 81.5% | 93.6% | 93% | 83% | 87.5% |
NPV, negative predictive value; PPV, positive predictive value.