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Unadjusted Analysis of Factors Associated with Mortality
| Variable | Lived (n = 703) | Died (n = 117) | p – value |
|---|---|---|---|
| Patient age (years) | 38 (23 – 50) | 49 (26 – 73) | <0.001 |
| Traumatic brain injury AIS ≥ 3 | 283 (40%) | 76 (65%) | <0.001 |
| Injury severity score | 26 (17 – 34) | 29 (22 – 38) | <0.001 |
| Base deficit | 5 (3 – 8) | 8 (4 – 12) | <0.001 |
| Number of older units | 3 (2 – 6) | 5 (2 – 9) | 0.004 |
| Total number of units | 6 (3 – 10) | 9 (5 – 19) | <0.001 |
