Table 4 Diagnostic value of radiological measurements in prediction of the need of septoplasty in the included cases
Diagnostic criteria | SDD (mm) | LNW (mm) | SDD/LNW | SDA (degree) |
|---|---|---|---|---|
AUC | 0.861 | 0.623 | 0.833 | 0.857 |
Cutoff point | > 2.55 | > 10.55 | > 0.239 | > 8.95 |
Sensitivity | 80.8% | 74% | 80.8% | 82.2% |
Specificity | 61.7% | 41.5% | 62.5% | 65.3% |
NPV | 76.3% | 65.2% | 74.7% | 78.4% |
PPV | 70.4% | 58.3% | 72.1% | 72.7% |
Accuracy | 72.6% | 54.8% | 70.8% | 80.4% |
P | < 0.001* | 0.008* | < 0.001* | < 0.001* |