Table 6 Area under curve (AUC) and optimal cut-off point of the SIR identifying DFO using receiver operating characteristic (ROC) method
AUC | 0.819 |
Cut-off point | 1.005 |
P-value | 0.001 |
95% CI | 0.660–0.978 |
Sensitivity | 94.6% |
Specificity | 84.6% |
PPV | 94.7% |
NPV | 91.7% |
Accuracy | 89.9% |