Clinical data in 24-hour survivors
| ≤2 units | >2 units | P values | |
| n | 29 | 87 | |
| Positive FAST | 4 (14%) | 26 (30%) | 0.140 |
| Pelvic fracture | 7 (24%) | 28 (32%) | 0.336 |
| Systolic blood pressure, mean (SD) | 116 (33) | 102 (31) | 0.042 |
| Systolic blood pressure ≤90 | 6 (21%) | 33 (39%) | 0.112 |
| Heart rate, mean (SD) | 94 (29) | 105 (29) | 0.093 |
| Heart rate ≥120 | 6 (21%) | 28 (33%) | 0.248 |
| pH, mean (SD) | 7.3 (0.1) | 7.2 (0.1) | 0.238 |
| PCO2 (mm Hg), mean (SD) | 44 (14) | 44 (13) | 0.959 |
| PO2 (mm Hg), mean (SD) | 86 (69) | 148 (118) | 0.001 |
| Lactate (mmol/L), mean (SD) | 3.4 (2.7) | 4.5 (3.3) | 0.159 |
| Base deficit (mEq/L), mean (SD) | 6.4 (5.8) | 9.4 (6.3) | 0.032 |
| Admission hematocrit (%), mean (SD) | 34 (6) | 30 (8) | 0.024 |
| Massive transfusion protocol activated | 8 (28%) | 51 (59%) | 0.005 |
| Received fresh frozen plasma | 5 (17%) | 47 (54%) | 0.001 |
| Received platelets | 4 (14%) | 34 (39%) | 0.012 |
| Received cryoprecipitate | 1 (3%) | 15 (17%) | 0.069 |
| Discharged alive | 26 (90%) | 73 (84%) | 0.556 |
FAST, focused assessment with sonography for trauma; PCO2, partial pressure of carbon dioxide; PO2, partial pressure of oxygen.