Clinical variables included in the proposal in patients with different level of risk of complications after mild head injury
| Low risk (n = 1676) | Medium risk (n = 1200) | High risk (n = 2702) | |
|---|---|---|---|
| LOC, loss of consciousness. | |||
| Glasgow coma score 15 | 1676 (100%) | 1200 (100%) | 2393 (88.6%) |
| Clinical findings | – | 1200 (100%) | 1756 (65.0%) |
| Amnesia | – | 984 (82.0%) | 1581 (58.5%) |
| LOC | – | 320 (26.7%) | 793 (29.3%) |
| Headache | – | 201 (16.8%) | 157 (5.8%) |
| Vomiting | – | 27 (2.3%) | 80 (3.0%) |
| Risk factors | – | – | 2473 (91.5%) |
| Coagulopathy | – | – | 140 (5.2%) |
| Alcohol/drugs | – | – | 506 (18.7%) |
| Previous neurosurgery | – | – | 101 (3.7%) |
| Pre-trauma epilepsy | – | – | 138 (5.1%) |
| Age over 60 years | – | – | 1933 (71.5%) |
| Neurological deficits | – | – | 452 (16.7%) |
| Skull fracture | – | – | 184 (6.8%) |