Criteria proposed by the NCWFS for classification, diagnosis, and treatment of patients with mild head injury
| Low risk | Medium risk | High risk | |
|---|---|---|---|
| CT, computer tomography; GCS, Glasgow coma scale; NCWFS, Neurotraumatology Committee of the World Federation of Neurosurgical Societies; SR, skull radiography. | |||
| GCS | 15 | 15 with clinical findings | 14 or 15 with neurodeficits or skull fracture or risk factors with/without clinical findings |
| Clinical findings | No | 1. Amnesia | 1. Amnesia |
| 2. Diffuse headache | 2. Diffuse headache | ||
| 3. Vomiting | 3. Vomiting | ||
| 4. Loss of consciousness | 4. Loss of consciousness | ||
| Neurodeficits | No | No | Yes |
| Skull fracture | No | No | Yes |
| Risk factors | No | No | 1. Coagulopathy |
| 2. Age >60 years | |||
| 3. Previous neurosurgery | |||
| 4. Pre-trauma epilepsy | |||
| 5. Alcohol and/or drug misuse | |||
| Imaging | No | CT scan or SR | CT scan |
| Disposition | Home | In hospital (3–6 h after CT or 24 h after SR), followed by home observation | In hospital (24–48 h), followed by home observation |