Table 2 Main findings at head CT scans in the GH group and the RTC group
GH group | RTC group | p-value | |
|---|---|---|---|
n = 131a | n = 136b | ||
Normal first CT, n (%) | 2 (1) | 1 (1) | 0.540 |
Epidural haematoma, n (%) | 6 (4) | 26 (19) | < 0.001 |
Subdural haematoma, n (%) | 92 (67) | 93 (68) | 0.744 |
Subarachnoid haemorrhage, n (%) | 92 (67) | 90 (66) | 0.477 |
Single contusion/haematoma, n (%) | 33 (24) | 18 (13) | 0.013 |
Multiple contusions/haematomas, n (%) | 45 (33) | 65 (47) | 0.026 |
Intraventricular haemorrhage, n (%) | 32 (23) | 36 (26) | 0.702 |
General oedema, n (%) | 4 (3) | 48 (35) | < 0.001 |
Skull fracture without impression, n (%) | 53 (39) | 72 (53) | 0.041 |
Skull fracture with impression, n (%) | 5 (4) | 10 (7) | 0.210 |
Intracranial air, n (%) | 18 (13) | 39 (28) | 0.003 |