Platelet and RBC transfusions during the study
| . | PCT, n = 318 . | Control, n = 327 . | P . | 
|---|---|---|---|
| Platelet transfusions | |||
| Total number | 2678 | 2041 | — | 
| Mean number per patient | 8.4 | 6.2 | < .001 | 
| Mean number per day of platelet support* | 0.74 | 0.65 | < .001 | 
| Interval between transfusions, d | 1.9 | 2.4 | < .001 | 
| Platelet dose, × 1011 | |||
| Mean average dose | 3.7 | 4.0 | < .001 | 
| Percentage of platelet doses less than 3.0 × 1011 | 20 | 12 | < .01 | 
| Mean total dose over entire transfusion period | 29.4 | 24.1 | .01 | 
| Duration of platelet storage, d | 3.4 | 3.6 | < .05 | 
| RBC transfusions | |||
| Mean number per patient | 4.8 | 4.3 | .13 | 
| Mean number per day of platelet support* | 0.31 | 0.30 | .53 | 
| . | PCT, n = 318 . | Control, n = 327 . | P . | 
|---|---|---|---|
| Platelet transfusions | |||
| Total number | 2678 | 2041 | — | 
| Mean number per patient | 8.4 | 6.2 | < .001 | 
| Mean number per day of platelet support* | 0.74 | 0.65 | < .001 | 
| Interval between transfusions, d | 1.9 | 2.4 | < .001 | 
| Platelet dose, × 1011 | |||
| Mean average dose | 3.7 | 4.0 | < .001 | 
| Percentage of platelet doses less than 3.0 × 1011 | 20 | 12 | < .01 | 
| Mean total dose over entire transfusion period | 29.4 | 24.1 | .01 | 
| Duration of platelet storage, d | 3.4 | 3.6 | < .05 | 
| RBC transfusions | |||
| Mean number per patient | 4.8 | 4.3 | .13 | 
| Mean number per day of platelet support* | 0.31 | 0.30 | .53 | 
— indicates not applicable.
Days of platelet support is defined as number of days from the first to the last study platelet transfusion