Table 4 Diagnostic accuracy of S100B concentrations in prehospital blood samples for ruling out of traumatic intracranial lesions in mild TBI patients
Prehospital Blood Samples | Intracranial Lesion | ||
|---|---|---|---|
S100B | Yes | No | Total |
≥0.10 μg/L | 32 | 452 | 484 |
< 0.10 μg/L | 0 | 82 | 82 |
Total | 32 | 534 | 566 |
Sensitivity % (95%CI) | 100.0 (89.1;100) | ||
Specificity % (95%CI) | 15.4 (12.4;18.7) | ||
Positive Predictive Value% (95%CI) | 6.6 (4.6;9.2) | ||
Negative Predictive Value % (95%CI) | 100.0 (95.6;100) | ||