Table 1.
Patient characteristics.
| Patients characteristics | mTBI n = 107 | mod/sevTBI n = 119 | p-value |
|---|---|---|---|
| Male/female ratio | 71/29 | 72/28 | 0.836 |
| Mean age at injury (SD) | 45 (17) | 43 (18) | 0.346 |
| Range | 17-88 | 16-81 | |
| Pre-injury mental problems (%) | 7.5 | 8.4 | 0.797 |
| Mechanism of injury (%) | 0.121 | ||
| Traffic accident | 34 | 48 | |
| Fall | 52 | 45 | |
| Violence | 4.0 | 2.0 | |
| Other | 10 | 5.0 | |
| Hospital admission (in days) | 0.000 | ||
| Mean (SD) | 10 (12) | 31 (21) | |
| Range | 0-51 | 1-147 | |
| IC admission (in days) | 0.000 | ||
| Mean (SD) | 2.1 (5.8) | 12 (11) | |
| Range | 0-33 | 0-46 | |
| CT and/or MRI lesions (%) | |||
| None | 43 | 20 | 0.000 |
| Frontal | 44 | 61 | 0.018 |
| Temporal | 27 | 50 | 0.001 |
| Fronto-temporal | 4.7 | 6.7 | 0.532 |
| Parietal-occipital | 13 | 14 | 0.839 |
| Missing | 2.8 | 0.8 |
mTBI, mild traumatic brain injury; mod/sevTBI, moderate to severe traumatic brain injury; SD, standard deviation; IC, intensive care; CT, computed tomography; MRI, magnetic resonance imaging.