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Table 5 Diagnostic accuracy of S100B concentrations in in-hospital blood samples for ruling out of traumatic intracranial lesions in mild TBI patients

From: Diagnostic accuracy of prehospital serum S100B and GFAP in patients with mild traumatic brain injury: a prospective observational multicenter cohort study – “the PreTBI I study”

In-hospital Blood Samples

Intracranial Lesion

 

S100B

Yes

No

Total

≥0.10 μg/L

32

366

398

< 0.10 μg/L

0

168

168

Total

32

534

566

Sensitivity (95%CI)

100.0 (89.1;100.0)

Specificity (95%CI)

31.5 (27.5;35.6)

Positive Predictive Value (95%CI)

8.0 (5.6;11.2)

Negative Predictive Value (95%CI)

100.0 (97.8;100.0)