Table 3 Sensitivity, specificity, PPV, NPV, and kappa coefficient for Concha bullosa and nasal septal spur in CBCT and MDCT compared to the gold standard
Test | Sensitivity | Specificity | PPV | NPV | Accuracy |
|---|---|---|---|---|---|
Concha bullosa | |||||
CBCT Vs. Gold standard | 81.3% | 83.3% | 81.3% | 83.3% | 0.73(0.001) |
MDCT Vs. Gold standard | 64.2% | 70% | 60% | 73.7% | 0.40(0.02) |
Nasal septal spur | |||||
CBCT Vs. Gold standard | 83.3.3% | 81.8% | 71.4% | 90% | 0.48(0.031) |
MDCT Vs. Gold standard | 64.3% | 73.7% | 60% | 73.7% | 0.21(0.3) |