Table 2 Overall clinical characteristics of patients with major trauma
| Â | 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 (%) | Â | Â |
   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 (%) | Â | Â |
   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 (%) | Â | Â |
   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, % | Â | Â |
   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) | Â | Â |
   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 |