Table 2 Summary of cutoff values for SBLs frequencies in the different investigated regions.
Body region | Cut-off for SBL frequency | Sensitivity | Specificity | PPV | NPV | Youden-Index |
---|---|---|---|---|---|---|
Skull | ≥5 | 78.3% | 100% | 100% | 82.1% | 0.78 |
Thorax | ≥4 | 96.7% | 96.7% | 96.7% | 96.7% | 0.93 |
Abdomen/Pelvis | ≥5 | 93.8% | 90.6% | 90.9% | 9.6% | 0.84 |
Skull + Thorax | ≥5 + ≥ 4 | 99.3% | 100% | 100% | 99.4% | 0.99 |
Skull + Abdomen/Pelvis | ≥5 + ≥ 5 | 98.6% | 100% | 100% | 98.9% | 0.99 |
Thorax + Abdomen/Pelvis | ≥4 + ≥ 5 | 99.8% | 99.7% | 99.7% | 99.8% | 0.99 |