Table 2 Baseline characteristics of severely injured trauma patients (n = 366)
Characteristic | Total (n = 366) | Traditional model (n = 213) | New model group (n = 153) | P value |
|---|---|---|---|---|
Gender, n (%) | ||||
Male | 270 (73.8%) | 152 (71.4%) | 118 (77.1%) | 0.216 |
Female | 96 (26.2%) | 61 (28.6%) | 35 (22.9%) | |
Age, year, median (IQR) | 56 (44, 69) | 57 (45, 71) | 54 (44, 65) | 0.093 |
ISS, mean ± SD | 26.1 ± 7.6 | 26.4 ± 7.2 | 25.8 ± 8.3 | 0.165 |
Time since injury, h, median (IQR) | 3.0 (1.5, 5.0) | 3.0 (2.0, 5.0) | 3.0 (1.0, 4.8) | 0.348 |
Mechanism of injury, n (%) | 0.383 | |||
Traffic accidents | 173 (47.3%) | 106 (49.8%) | 67 (43.8%) | |
Fall from height | 85 (23.2%) | 45 (21.1%) | 40 (26.1%) | |
Blow or assault | 53 (14.5%) | 27 (12.7%) | 26 (17.0%) | |
Fall | 37 (10.1%) | 25 (11.7%) | 12 (7.8%) | |
Others | 18 (4.9%) | 10 (4.7%) | 8 (5.2%) | |
Vital signs, median (IQR) | ||||
Heart rate, per min | 89 (65, 107) | 89 (67, 107) | 88 (64, 107) | 0.741 |
Respiratory rate, per min | 20 (17, 23) | 20 (17, 22) | 20 (17, 24) | 0.771 |
Oxygen saturation, % | 97 (95, 98) | 97 (95, 98) | 97 (94, 99) | 0.309 |
Systolic blood pressure, mmHg | 126 (103, 152) | 125 (103, 152) | 131 (91, 154) | 0.844 |