Table 6 Diagnostic performance of ABVS, UE, and ABVS + UE
Examina-tion | Accuracy | Sensitivity | Specificity | PPN | NPN |
|---|---|---|---|---|---|
| Â | 95% CI | 95% CI | 95% CI | 95% CI | 95% CI |
|  | (P = 0.97) | (P = 0.99) | (P = 0.97) | (P = 0.98) | (P = 0.99) |
ABVS | 91.3% | 100% | 77.8% | 87.5% | 100% |
| Â | 78.3-97.2 | 85.0-100 | 51.9-92.6 | 70.1-95.9 | 73.2-1.00 |
UE | 89.1% | 96.4% | 77.8% | 87.1% | 93.3% |
| Â | 75.6-95.9 | 79.8-99.8 | 51.9-92.6 | 69.2-95.8 | 66.0-99.7 |
ABVS + UE | 95.7% | 100% | 87.50% | 93.8% | 100% |
| Â | 84.0-99.2 | 85.9-100 | 60.4-97.8 | 77.8-98.9 | 73.2-1.00 |