Table 3 Summary of RBC transfusions and pre-transfusion hemoglobin values
Variable | All ICUs |
|---|---|
Total RBC transfusion events, n | 4632 |
 Mean number of transfusions per admission | 2.0 |
Total volume of RBCs transfused, mL | 1,356,695 |
 Mean number of RBC units per transfusion | 1.0 |
Overnight transfusions (between 19:00 and 7:00), n (%) | 2120 (45.8) |
Transfusions with hemoglobin measurements ≤ 24 h, n (%) | 4487 (96.9) |
 Mean number of hours pre-transfusion (SD) | 6.3 (5.3) |
Mean pre-transfusion hemoglobin value, g/L (SD) | 73.4 (9.2) |