Transfusion data based on 24-hour survival
| Died within 24 hours | Survived 24 hours | P values | |
| n | 42 | 116 | |
| Emergency department fridge units received, median (range) | 2 (1–6) | 1 (1–4) | <0.001 |
| Total units received in 24 hours, median (range) | 7 (1–32) | 4 (1–55) | 0.046 |
| Received ≥10 units in 24 hours | 15 (35.7%) | 22 (19.0%) | 0.028 |
| Massive transfusion protocol activated | 30 (71.4%) | 59 (50.9%) | 0.029 |
| Etiology | |||
| Trauma (vs following) | 36 (85.7%) | 104 (89.7%) | 0.572 |
| Abdominal aortic aneurysms | 4 | 2 | |
| Medical anemia | 0 | 2 | |
| Gastrointestinal bleeds | 2 | 4 | |
| Gynecology-related | 0 | 3 | |
| Ear, nose and throat-related | 0 | 1 | |
| General surgery-related | 1 | 0 | |