Table 4. Predictive performance of different methods for predicting LN metastasis.
| Methods | AUC (95% CI) | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
|---|---|---|---|---|---|
| mrLN (morphology) | 0.581 (0.457–0.698) | 60.9 | 55.3 | 40.0 | 74.3 |
| mrLN (CSE) | 0.708 (0.587–0.811) | 56.5 | 85.1 | 65.0 | 80.0 |
| Energy_T1 map | 0.838 (0.731–0.915) | 87.0 | 78.7 | 66.7 | 92.5 |
| mrLN (CSE) + energy_T1 map | 0.858 (0.754–0.930) | 91.3 | 70.2 | 60.0 | 94.3 |
| mrLN (CSE) + energy_T1 map + mrEMVI | 0.895 (0.798–0.955) | 82.6 | 87.2 | 76.0 | 91.1 |
LN, lymph node; AUC, area under the receiver operating characteristic curve; CI, confidence interval; PPV, positive predictive value; NPV, negative predictive value; mrLN, LN on MRI; CSE, chemical shift effect; mrEMVI, extramural venous invasion on MRI.