Variable | OR | 95% CI | P value |
Age, years | 1.01 | 0.90 to 1.03 | 0.56 |
Male sex | 0.75 | 0.39 to 1.45 | 0.39 |
Blunt injury | 0.18 | 0.04 to 0.751 | 0.02 |
ΔHb, g/L | 0.82 | 0.68 to 0.98 | 0.03 |
Time from injury to hospital arrival, min | 1.01 | 0.98 to 1.04 | 0.43 |
ISS of 16 or more | 4.9 | 2.08 to 11.5 | <0.001 |
ISS, Injury Severity Score; ΔHb, delta hemoglobin levels.