Table 2.
Overall clinical characteristics of patients with major trauma
| Chongqing (N = 496) | Zhejiang (N = 232) | |
|---|---|---|
| Age (yrs) | 40.4 ± 14.2 (18 to 65) | 41.0 ± 13.1 (18 to 65) |
| Male/female, n | 395/101 | 190/42 |
| Injured body regions, n (%) | ||
| Head, n | 187 (37.7) | 73 (31.5) |
| Thorax, n | 205 (41.3) | 142 (61.2) |
| Abdomen, n | 136 (27.4) | 74 (31.9) |
| Extremities, n | 252 (50.8) | 165 (71.1) |
| Number of regions injured, n (%) | ||
| One, n | 145 (29.2) | 74(31.9) |
| Two, n | 133 (26.8) | 59 (25.4) |
| Three or above, n | 80 (16.1) | 37 (15.9) |
| ISS | 22.0 ± 10.5 | 23.3 ± 8.7 |
| ≥16, <25, n (%) | 301 (60.7) | 131 (56.5) |
| ≥25, n (%) | 195 (39.3) | 101 (43.5) |
| Organ dysfunction, n (%) | ||
| One, n | 132 (26.6) | 76 (32.8) |
| Two, n | 125 (25.2) | 59 (25.4) |
| Three or above, n | 72 (14.5) | 35 (15.1) |
| Sepsis, n (%) | 202 (40.7) | 88 (37.9) |
| Source of infection, % | ||
| Respiratory tract infection | 41.6 | 39.8 |
| Primary bloodstream infection | 21.8 | 23.9 |
| Urinary tract infection | 16.3 | 11.4 |
| Catheter associated infection | 10.9 | 9.1 |
| Wound infection | 7.4 | 9.1 |
| Others* | 2.0 | 6.8 |
| Pathogens, % (positive blood cultures) | ||
| Gram-negative | 21.0 | 24.6 |
| Gram-positive | 18.0 | 15.9 |
| Fungi | 2.2 | 2.2 |
| Mixed Gram negative and positive | 5.8 | 7.3 |
| Negative blood cultures | 53.0 | 50.0 |