Transfusion of blood components and univariable association with mortality
| Variable | Summary measure, median (IQR) | Association with in-hospital mortality OR (95% CI) | P value |
| RBC units in first 4 hours | 4 (2–8) | 1.12 (1.05 to 1.21) | 0.001 |
| Time to first RBC unit (mins) | 10 (6–16) | 0.97 (0.93 to 1.01) | 0.10 |
| FFP units in first 4 hours | 2 (1–4) | 1.14 (1.04 to 1.24) | 0.004 |
| Time to first FFP unit (mins) | 21 (11–29) | 0.97 (0.95 to 1.00) | 0.068 |
| Platelet (adult units in first 4 hours) | 1 (0–2) | 1,43 (1.14 to 1.80) | 0.002 |
| Time to first platelet unit (mins) | 26 (17–45) | 1.00 (0.98 to 1.02) | 0.87 |
| Total blood components in first 4 hours (units) | 8 (4–14) | 1.07 (1.02 to 1.10) | 0.001 |
FFP, fresh frozen plasma; RBC, red blood cell.