Predictive models of significant injury, transfusion, and Injury Severity Score ≥16 in our cohort based on the stepwise logistic regressions that were performed
| Models | OR | 95% CI |
| Model for injury | ||
| Prehospital hypotension | 0.40 | 0.19 to 0.81 |
| Prehospital SI >1 | 2.01 | 1.02 to 3.98 |
| Age | 0.98 | 0.97 to 0.99 |
| Penetrating trauma | 0.31 | 0.15 to 0.62 |
| Alcohol use | 0.48 | 0.26 to 0.88 |
| Model for transfusion | ||
| Prehospital hypotension | 0.28 | 0.13 to 0.63 |
| Prehospital SI >1 | 5.14 | 2.49 to 10.60 |
| Age | 1.01 | 1.01 to 1.03 |
| ED hypotension | 3.84 | 2.14 to 6.89 |
| Model for ISS ≥16 | ||
| Prehospital hypotension | 0.28 | 0.13 to 0.60 |
| Prehospital SI >1 | 3.10 | 1.53 to 6.25 |
| Male gender | 1.93 | 1.19 to 3.12 |
| Penetrating trauma | 0.24 | 0.11 to 0.48 |
| ED hypotension | 1.87 | 1.07 to 3.27 |
ED, emergency department; ISS, Injury Severity Score; SI, shock index.