Table 2. Diagnostic performance of multiple parameters model in diagnosing small lymph nodes.
| Parameters | Diagnostic model of dual-energy CT parameters |
|---|---|
| No. of true positive | 77 |
| No. of false positive | 6 |
| No. of true negative | 118 |
| No. of false negative | 15 |
| Sensitivity (%) | 83.7 |
| Specificity (%) | 95.2 |
| Accuracy (%) | 90.3 |
| PPV (%) | 92.8 |
| NPV (%) | 88.7 |