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Participant Characteristics
| Characteristic | Fighters (n = 19) | Patients with TBI (n = 16) | 7T NHCs (n = 21) | 3T NHCs (n = 61) | p value |
|---|---|---|---|---|---|
| Male, n (%) | 19 (100) | 4 (25) | 11 (52) | 56 (92) | <0.001 |
| Mean age at time of scan, years (SD) | 40.4 (7.9) | 29.9 (19.3) | 35.3 (12.7) | 30.6 (9.5) | 0.009 |
TBI, head trauma; NHCs, normal healthy controls; SD, standard deviation.
