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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)