Table 4. Characteristics of the minor trauma and severe trauma groups.
| Total | Minor trauma | Severe trauma | P-value | |
|---|---|---|---|---|
| No. | 1,127 | 415 | 712 | |
| Male, n (%) | 831 (73.7) | 279 (67.2) | 552 (77.5) | <0.001 |
| Age (years) | 48 (38–59) | 48 (38–60) | 48 (38–58) | 0.496 |
| Temperature (°C) | 36.9 (36.7–37.0) | 37.0 (36.8–37.0) | 36.8 (36.5–37.0) | <0.001 |
| Heart rate (/min) | 84 (75–96) | 82 (75–90) | 85 (75–100) | 0.019 |
| Respiratory rate (/min) | 20 (18–20) | 20 (19–20) | 20 (18–21) | 0.003 |
| Systolic blood pressure (mmHg) | 130 (114–148) | 136 (121–151) | 127 (107–145) | <0.001 |
| AVPU | 0 (0–1) | 0 (0–0) | 0 (0–2) | <0.001 |
| LOS | 12 (4–21) | 9 (5–15) | 14.5 (3–25) | <0.001 |
| Time of transport (hour) | 2 (1–3) | 2.0 (1.0–2.0) | 2.0 (1.0–3.0) | 0.005 |
| Cause of injury, n (%) | <0.001 | |||
| Motor vehicle crashes | 626 (55.5) | 187 (45.1) | 439 (61.7) | |
| High fall | 213 (18.9) | 66 (15.9) | 147 (20.6) | |
| Crushing injury | 32 (2.8) | 6 (1.4) | 26 (3.7) | |
| Cut/pierce | 41 (3.6) | 27 (6.5) | 14 (2.0) | |
| Burn | 3 (0.3) | 2 (0.5) | 1 (0.1) | |
| Tumble injury | 149 (13.2) | 95 (22.9) | 54 (7.6) | |
| Struck | 63 (5.6) | 32 (7.7) | 31 (4.4) | |
| Primary injury site–n (%) | <0.001 | |||
| Face | 18 (1.6) | 17 (4.1) | 1 (0.1) | |
| Head and neck | 503 (44.6) | 88 (21.2) | 415 (58.3) | |
| Thorax | 267 (23.7) | 88 (21.2) | 179 (25.1) | |
| Abdomen and visceral pelvis | 106 (9.4) | 42 (10.1) | 64 (9.0) | |
| Bony pelvis and extremities | 232 (20.6) | 179 (43.1) | 53 (7.4) | |
| External structures | 1 (0.1) | 1 (0.2) | 0 (0.0) | |
| Discharge status, n (%) | <0.001 | |||
| Expired in the hospital | 181 (16.1) | 2 (0.5) | 179 (25.1) | |
| Discharge home | 524 (46.5) | 261 (62.9) | 263 (36.9) | |
| Discharge against medical advice | 67 (5.9) | 29 (7.0) | 38 (5.3) | |
| Discharge home with self-care | 311 (27.6) | 95 (22.9) | 216 (30.3) | |
| Transfer to another hospital | 44 (3.9) | 28 (6.7) | 16 (2.2) | |
| Score | ||||
| MEWS | 2 (1–3) | 1 (1–2) | 2 (1–4) | <0.001 |
| CRAMS | 9 (7–10) | 10 (9–10) | 8 (6–9) | <0.001 |
Note:
Data are reported as median (IQR).