A randomised study on the effectiveness of prophylactic phenytoin for preventing post-traumatic seizure: clinical demographics in patients who obtained cranial CT and those who did not
| Variables | Cohort with CT | Cohort without CT | P value |
| N=56 | N=38 | ||
| Age, mean (SD) | 32.3 (17.5) | 37.8 (17.3) | 0.608 |
| Gender, N (%) | 0.054 | ||
| Male | 49 (87.5) | 28 (73.7) | |
| Female | 7 (12.5) | 10 (26.3) | |
| Head injury severity, N (%) | 0.65 | ||
| Severe | 12 (21.4) | 7 (18.4) | |
| Moderate | 8 (14.3) | 12 (31.6) | |
| Mild | 36 (64.3) | 19 (50.0) | |
| Seizure, N (%) | 0.603 | ||
| Yes | 7 (12.5) | 4 (10.5) | |
| No | 49 (87.5) | 34 (89.5) | |
| Mortality, N (%) | 0.594 | ||
| Yes | 4 (7.1) | 4 (10.5) | |
| No | 52 (92.9) | 34 (89.5) |