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Table 1 Baseline characteristics of included mild TBI patients N = 566

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”

Variable

n/Valid Cases (%)

Sex and Age

Female, n/N (%)

237/566 (41.9)

Age years, median (IQR)

62 (45;74)

Charlson Comorbidity Index

 0, n/N (%)

161/566 (28.4)

 1–2, n/N (%)

138/566 (24.4)

 3–4, n/N (%)

159/566 (28.1)

  ≥ 5, n/N (%)

108/566 (19.1)

Antiplatelet/−coagulant treatment

 Yes, n/N (%)

144/556 (25.9)

 - Acetylsalicylic acid, n/N (%)

65/144 (45.1)

 - ADP-receptor antagonist, n/N (%)

32/144 (22.2)

 - Vitamin K antagonist, n/N (%)

18/144 (12.5)

 - NOAC, n/N (%)

32/144 (22.2)

No, n/N (%)

412/556 (74.1)

Trauma Mechanism

 Traffic, n/N (%)

143/557 (25.6)

 Fall < 2 m, n/N (%)

350/557 (62.8)

 Fall > 2 m, n/N (%)

17/557 (3.1)

 Violence, n/N (%)

14/557 (2.5)

 Other, n/N (%)

33/557 (5.9)

Alcohol/drugs prior to trauma

 Suspected, n/N (%)

161/521 (30.9)

 Not suspected, n/N (%)

360/521 (69.1)

GCS at inclusion

 GCS 15

453/566 (80.0)

 GCS 14

113/566 (20.0)