U/S | Interpretation | Clinical examination | |
Improved (N = 38) | Not improved (N = 2) | ||
Improved (N = 35) | 35 | 0 | |
Not improved (N = 5) | 3 | 2 | |
Sensitivity | 92.1% | ||
Specificity | 100% | ||
PPV | 100% | ||
NPV | 40% |