Table 1.
Characteristics of enrolled patients.
| Characteristics | Male patients | Female patients | Total |
|---|---|---|---|
| N = 362 | N = 222 | N = 584 | |
| Mean age (yrs ± SD) | 40 (± 15) | 40 (± 17) | 40 (± 16) |
| Age Range | (18–83) | (18–79) | (18–83) |
| Race (%) | |||
| Asian | 5 (1) | 3 (1) | 8 (1) |
| Black | 73 (20) | 60 (27) | 133 (23) |
| Hispanic | 79 (22) | 39 (18) | 118 (20) |
| Native American | 2 (1) | 2 (1) | 4 (1) |
| Middle Eastern | 1 (< 1) | 0 (0) | 1 (< 1) |
| White | 196 (54) | 114 (51) | 310 (53) |
| Other | 6 (2) | 4 (2) | 10 (2) |
| GCS Score in ED (%) | |||
| GCS 9–12 | 5 (2) | 2 (1) | 7 (1) |
| GCS 13 | 1 (< 1) | 2 (1) | 3 (1) |
| GCS 14 | 25 (7) | 14 (6) | 39 (7) |
| GCS 15 | 331 (91) | 204 (92) | 535 (92) |
| Mechanism of Injury (%) | |||
| Motor Vehicle Crash | 142 (39) | 158 (71) | 300 (51) |
| Fall | 74 (20) | 25 (11) | 99 (17) |
| Motorcycle | 52 (14) | 5 (2) | 57 (10) |
| Pedestrian Struck | 12 (3) | 7 (3) | 19 (3) |
| Bicycle Struck by Vehicle | 20 (6) | 3 (1) | 23 (4) |
| Fall off Bicycle | 6 (2) | 2 (1) | 8 (1) |
| Assault | 9 (3) | 10 (5) | 19 (3) |
| Sports Injury | 6 (2) | 4 (2) | 10 (2) |
| Other Motorized Vehicle | 4 (1) | 1 (1) | 5 (1) |
| Other | 37 (10) | 7 (3) | 44 (8) |
| Loss of Consciousness (%) | 182 (50) | 86 (39) | 268 (46) |
| Amnesia (%) | 87 (24) | 54 (24) | 141 (24) |
| ISS (median-IQR) (N = 558) | 5 (2–8) | 4 (2–6) | 4 (2–8) |
| Admitted to Hospital (%) | 136 (38) | 53 (24) | 189 (32) |
| CT Head performed (%) | 270 (75) | 144 (65) | 414 (71) |
| Intracranial Lesions on head CT (%) | 26 (10) | 10 (7) | 36 (9) |
| Neurosurgical Intervention (%) | 4 (2) | 3 (2) | 7 (2) |
Due to rounding, percentages may not add up to 100.