A randomised study on the effectiveness of prophylactic phenytoin for preventing post-traumatic seizure: patients clinical demographics
| Total | Phenytoin | Non-phenytoin | P value | |
| N=94 | N=47 | N=47 | ||
| Age, mean (SD) | 34.4 (17.5) | 37.0 (18.5) | 31.8 (16.2) | 0.789 |
| Age group, N (%) | 0.6 | |||
| 15 and below | 17 (18.1) | 8 (17.0) | 9 (19.1) | |
| Above 15 | 77 (81.9) | 39 (83.0) | 38 (80.9) | |
| Gender, N (%) | ||||
| Male | 77 (81.9) | 38 (80.9) | 39 (83.0) | 0.789 |
| Female | 17 (18.1) | 9 (19.1) | 8 (17.0) | |
| Head injury severity, N (%) | ||||
| Severe | 19 (20.2) | 10 (21.3) | 9 (19.1) | 0.806 |
| Moderate | 20 (21.3) | 9 (19.1) | 11 (23.4) | |
| Mild | 55 (58.5) | 28 (59.6) | 27 (57.5) | |
| Cranial CT scan, N (%) | ||||
| Yes | 56 (59.6) | 29 (61.7) | 27 (57.4) | 0.752 |
| No | 38 (40.4) | 18 (38.3) | 20 (42.6) | |