Table 4 Diagnostic performance for malignancy diagnosis based on the original Bosniak Classification and Version 2019
| Â | Original Bosniak (%) | Bosniak 2019 (%) | Test of significance |
|---|---|---|---|
Sensitivity | 100 | 97.8 | 0.202 |
Specificity | 41.03 | 74.4 | < 0.001* |
PPV | 66.2 | 81.5 | 0.458 |
NPV | 100 | 96.7 | 0.095 |
Accuracy | 72.6 | 86.9 | 0.02* |