Table 1.

Cell counts of the transfused platelet components

Treated platelets
Standard platelets
C-LR
F-LR × 1†
F-LR × 2‡
F-LR/C-LR
γ-F-LR/C-LR
No. of observations   138   248   54   20   147   48  
No. of platelets injected, × 109  1.7 ± 0.8   1.9 ± 1.2   1.9 ± 0.9   1.2 ± 0.6   1.4 ± 1.0   1.4 ± 0.5  
Range, × 109  0.6-5.8   0.4-7.1   0.6-4.4   0.3-2.5   0.2-5.9   0.5-2.3  
No. of WBCs injected   6.7 × 106 ± 5.4 × 106  4.7 × 104 ± 2.3 × 105  7.9 × 104 ± 2.8 × 105  < 3 × 103*  < 3 × 103*  3.6 × 103 ± 1.4 × 104 
Range
 		 2.8 × 104-3.1 × 107
 		 < 3 × 103-2.5 × 106
 		 < 3 × 103-2.0 × 106
 		 < 3 × 103
 		 < 3 × 103-1.9 × 104
 		 < 3 × 103-6.9 × 104
 
Treated platelets
Standard platelets
C-LR
F-LR × 1†
F-LR × 2‡
F-LR/C-LR
γ-F-LR/C-LR
No. of observations   138   248   54   20   147   48  
No. of platelets injected, × 109  1.7 ± 0.8   1.9 ± 1.2   1.9 ± 0.9   1.2 ± 0.6   1.4 ± 1.0   1.4 ± 0.5  
Range, × 109  0.6-5.8   0.4-7.1   0.6-4.4   0.3-2.5   0.2-5.9   0.5-2.3  
No. of WBCs injected   6.7 × 106 ± 5.4 × 106  4.7 × 104 ± 2.3 × 105  7.9 × 104 ± 2.8 × 105  < 3 × 103*  < 3 × 103*  3.6 × 103 ± 1.4 × 104 
Range
 		 2.8 × 104-3.1 × 107
 		 < 3 × 103-2.5 × 106
 		 < 3 × 103-2.0 × 106
 		 < 3 × 103
 		 < 3 × 103-1.9 × 104
 		 < 3 × 103-6.9 × 104
 

Data are given as the average ± 1 SD.

*

The lower limit of WBC detection was < 3 × 10317 

†

Platelets were filtered once with a single filter

‡

Platelets were filtered twice with 2 filters

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