Variables | Isolated TBI (N = 776) | Combined TBI (N = 248) | ||||
---|---|---|---|---|---|---|
Survivors (n = 715) | Non-survivors (n = 61) | P | Survivors (n = 220) | Non-survivors (n = 28) | P | |
Age, years | 64 (53–74) | 68 (55–77) | 0.138 | 60 (50–70) | 64 (52–77) | 0.212 |
Male sex, n (%) | 536 (75.0) | 44 (72.1) | 0.737 | 164 (74.5) | 23 (82.1) | 0.518 |
Preexisting illness, n (%) | ||||||
 Previous PCI history | 41 (5.7) | 1 (1.6) | 0.288 | 5 (2.3) | 1 (3.6) | 1.000 |
 Hypertension | 264 (36.9) | 15 (24.6) | 0.074 | 59 (26.8) | 7 (25.0) | 1.000 |
 Diabetes | 164 (22.9) | 12 (19.7) | 0.671 | 43 (19.5) | 2 (7.1) | 0.179 |
 Renal impairment | 13 (1.8) | 0 (0.0) | 0.588 | 2 (0.9) | 0 (0.0) | 1.000 |
 Cerebrovascular accident | 12 (1.7) | 0 (0.0) | 0.632 | 2 (0.9) | 0 (0.0) | 1.000 |
Trauma mechanism | Â | Â | 1.000 | Â | Â | 1.000 |
 Blunt | 712 (99.6) | 61 (100.0) |  | 219 (99.5) | 28 (100.0) |  |
 Penetrating | 3 (0.4) | 0 (0.0) |  | 1 (0.5) | 0 (0.0) |  |
Revised trauma score | 5.97 (5.64–7.84) | 4.09 (2.83–5.97) | <  0.001 | 5.97 (5.08–7.84) | 4.09 (2.63–5.03) | <  0.001 |
Injury severity score | 17 (16–25) | 25 (20–25) | <  0.001 | 26 (22–34) | 29 (23–38) | 0.066 |
Glasgow Coma Scale score | 14 (8–15) | 4 (3–6) | <  0.001 | 15 (8–15) | 3 (3–7) | <  0.001 |
Systolic BP, mmHg | 130 (110–150) | 140 (105–160) | 0.232 | 110 (100–130) | 85 (70–110) | <  0.001 |
Respiratory rate, /min | 20 (20–20) | 20 (20–22) | 0.229 | 20 (20–22) | 22 (20–24) | 0.002 |
Pulse rate, /min | 82 (72–92) | 90 (72–105) | 0.022 | 90 (80–104) | 97 (80–110) | 0.244 |
Body temperature, °C | 36.4 (36.2–36.8) | 36.2 (36.0–36.5) | < 0.001 | 36.4 (36.0–36.8) | 36.2 (36.0–36.3) | 0.003 |
Massive transfusion, n (%) | 33 (4.6) | 7 (11.5) | 0.043 | 31 (14.1) | 14 (50.0) | <  0.001 |
Emergency operation, n (%) | 206 (28.8) | 10 (16.4) | 0.054 | 37 (16.8) | 6 (21.4) | 0.732 |