Severity of TBI
| Severe |   9 | Moderate |   3 | Mild | 7 |  |  |
Glasgow score
| Range | 4–14 |  |  |  |  |  |  |
Years from injury
| Mean |   10 | Range | 1–41 |  |  |  |  |
Hospitalization for
| Neuro. Cond. |   13 | Rehab. |   11 |  |  |  |  |
Causes of injury
| Fall |   9 | MVA |   7 | Blast | 2 | Sport | 1 |
Reported pain level
| Severe |   6 | Moderate |   7 | Low | 6 |  |  |
(with usual medic.)
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- Note that severity of TBI is measured using the following criteria. Mild TBI: Brief loss of consciousness, usually a few seconds or minutes; Post-traumatic amnesia (PTA) for less than 1 hour of the TBI; Normal brain imaging results. Moderate TBI: Loss of consciousness for 1–24 hours; PTA for 1–24 hours of the TBI; Abnormal brain imaging results. Severe TBI: Loss of consciousness or coma for more than 24 hours; PTA for more than 24 hours of the TBI; Abnormal brain imaging results.