Table 1

Trauma patient characteristics and S-100B serum values

Isolated head injury (N=28)Multi trauma with head injury (N=102)No head injury (N=101)p Value
Age, years40.7 (27.0–54.5)42.0 (26.3–57.0)33.9 (25.0–46.0)0.06
Gender, male20 (71.4%)77 (75.5%)76 (75.3%)0.90
ISS6.5 (4.0–9.0)16.5 (8.0–29.0)9.0 (4.0–12.0)N/A
AIS, Head trauma2.7 (2.0–3.0)2.8 (2.0–4.0)N/AN/A
S100B on arrival, μg/l0.47 (0.24–1.11)1.68 (0.71–6.10)0.49 (0.10–2.16)<0.0001
S100B at 6 h μg/l0.14 (0.09–0.29)0.31 (0.16–0.51)0.15 (0.06–0.30)<0.0001
Mortality at 30 days1 (3.6%)18 (17.7%)3 (3.0%)0.0009
GCS14 (9.5–15)13 (6–15)15 (15–15)0.8
  • Continuous variables reported as median with (IQR), other data reported with proportions.

  • AIS, Abbreviated Injury Scale; ISS, Injury Severity Score; GCS, Glasgow Coma Score; p, Kruskall Wallis test or χ2 test.