| Postoperative result | Sensitivity | Specificity | PPV | NPV | Accuracy | P-value | ||||
---|---|---|---|---|---|---|---|---|---|---|---|
Positive (n = 16) | Negative (n = 8) | ||||||||||
No | % | No | % | ||||||||
Total sample (n = 24) | EUA |  |  |  |  |  |  |  |  |  |  |
 | Positive | 13 | 54.2% | 3 | 12.5% |  |  |  |  |  |  |
 | Negative | 1 | 4.2% | 7 | 29.2% | 92.9% | 70% | 81.3% | 87.5% | 83.3% | 0.002* |