All patients with head trauma (n = 5060) | Patients with isolated head trauma (n = 4874) | Multitrauma patients with head trauma (n = 186) | Relative risk* (95% CI) | |
---|---|---|---|---|
CT-scans of the head | 272(5.4%) | 196 (4.0%) | 76 (40.9%)** | 10.2 (8.1–12.7) |
Hospital admissions | 564 (11.1%) | 481 (9.9%) | 83 (44.6%)** | 4.5 (3.8–5.4) |
CT-scan of the head and admission | 125 (2.5%) | 82 (1.7%) | 43 (23.1%)** | 13.7 (9.8–19.3) |
Admission to ICU | 17 (0.3%) | 3 (0.06%) | 14 (7.5%)** | 122.3 (35.4–421.9) |
ICI | 33 (0.7%) | 19 (0.4%) | 14 (7.5%)** | 19.3 (9.8–37.9) |
Neurosurgical intervention | 4 (0.08%) | 1 (0.02%) | 3 (1.6%)** | 78.6 (8.2–752.1) |