Era 1 (1991–1994) | Era 2 (1995–2004) | |
---|---|---|
Volume | 70 (23/year) | 318 (35/year)* |
Age (mean) | 31 | 32 |
Sex (male) | 93% | 94% |
Mechanism (penetrating) | 95% | 94% |
Gunshot wounds | 91% | 94% |
Scene time (mean) | 19 minutes | 12 minutes* |
Base deficit (mean) | -9 | -11 |
Hypotensive at presentation | 63% | 91%* |
EMS transport time (mean) | 27 minutes | 20 minutes* |
Associated injuries per patient | 1.7 | 1.9 |
Time in ED (mean) | 25.4 minutes | 14.1 minutes* |
RBC transfused in O.R. (mean) | 13.4 units | 14.8 units |
Mortality | 37% | 67%* |