Table 2.
Demographic and Injury Characteristics of Patients
| Transfusion Threshold 7 g/dL (n = 99) | Transfusion Threshold 10 g/dL (n = 101) | |
|---|---|---|
| Age, median (25th–75th) | 28 (21–48) | 31 (24–45) |
| Gender, n (%) | ||
| Female | 14 (14.1) | 12 (11.9) |
| Male | 85 (85.9) | 88 (87.1) |
| Male living as female | 1 (1.0) | |
| Race/Ethnicity, n (%) | ||
| Asian | 3 (3.0) | 3 (3.0) |
| Hispanic | 50 (50.5) | 53 (52.5) |
| Black | 20 (20.2) | 23 (22.8) |
| White, non-Hispanic | 26 (26.3) | 22 (21.8) |
| Mechanism of Injury, n (%) | ||
| Assault | 7 (7.1) | 15 (14.9) |
| Fall/Jump | 18 (18.2) | 9 (8.9) |
| Automobile accident | 58 (58.6) | 58 (57.4) |
| Motorcycle accident | 14 (14.1) | 17 (16.8) |
| Other | 2 (2.0) | 2 (2.0) |
| Enrollment motor GCSa, n (%) | ||
| 4–5 | 63 (63.6) | 66 (65.4) |
| 1–3 | 36 (36.4) | 35 (34.7) |
| ED pupil reactivity, n (%) | ||
| Both reactive | 63 (63.6) | 58 (57.4) |
| One reactive | 14 (14.1) | 9 (8.9) |
| Neither reactive | 22 (22.2) | 34 (33.7) |
| ED Marshall CT scan category, n (%) | ||
| Diffuse injury 1 or 2 | 49 (49.5) | 40 (39.6) |
| Diffuse injury 3 or 4 | 23 (23.2) | 23 (22.8) |
| Mass lesion | 27 (27.3) | 38 (37.6) |
| Injury Severity Score, median (25th–75th) | 29 (25–38) | 29 (25–35) |
a
Motor GCS = motor component of the Glasgow Coma Scale, which ranges from 1 (no motor response) to 6 (follows commands).
CT, computed tomography; ED, emergency department.