Table 3.

Platelet transfusion increment

ControlInterventionP
ITT analysis    
 Platelet transfusions, n 1568 1659  
 Efficacy parameters, mean ± SD    
  Count increment 1 h, 109/L 25 ± 14 (n = 848) 13 ± 8 (n = 997)  
  CCI 1 h 13 ± 7 (n = 848) 8 ± 5 (n =9 97) <.001 
  Count increment 24 h, 109/L 14 ± 14 (n = 953) 8 ± 9 (n = 1007)  
  CCI 24 h 7 ± 7 (n = 953) 4 ± 4 (n = 1007) <.001 
 Transfusion failure rate, median (IQR)    
  CCI 1 h, <7.5 0 (0-0.08) 0.50 (0.09-0.75) <.001 
  CCI 24 h, <4.5 0 (0-0.33) 0.50 (0.20-0.83) <.001 
  CCI 24 h, ≤0 0 (0-0) 0 (0-0.08) .013 
Per-protocol analysis    
 Platelet transfusions, n 1395 1391  
 Efficacy parameters, mean ± SD    
  Count increment 1 h, 109/L 25 ± 14 (n = 796) 12 ± 8 (n = 868)  
  CCI 1 h 13 ± 7 (n = 796) 7 ± 4 (n = 868) <.001 
  Count increment 24 h, 109/L 14 ± 14 (n = 895) 7 ± 8 (n = 897)  
  CCI 24 h 8 ± 7 (n = 895) 4 ± 4 (n = 897) <.001 
 Transfusion failure rate, median (IQR)    
  CCI 1 h, <7.5 0 (0-0.02) 0.50 (0.16-0.89) <.001 
  CCI 24 h, <4.5 0 (0-0.33) 0.50 (0.18-0.93) <.001 
  CCI 24 h, ≤0 0 (0-0) 0 (0-0.02) .014 
ControlInterventionP
ITT analysis    
 Platelet transfusions, n 1568 1659  
 Efficacy parameters, mean ± SD    
  Count increment 1 h, 109/L 25 ± 14 (n = 848) 13 ± 8 (n = 997)  
  CCI 1 h 13 ± 7 (n = 848) 8 ± 5 (n =9 97) <.001 
  Count increment 24 h, 109/L 14 ± 14 (n = 953) 8 ± 9 (n = 1007)  
  CCI 24 h 7 ± 7 (n = 953) 4 ± 4 (n = 1007) <.001 
 Transfusion failure rate, median (IQR)    
  CCI 1 h, <7.5 0 (0-0.08) 0.50 (0.09-0.75) <.001 
  CCI 24 h, <4.5 0 (0-0.33) 0.50 (0.20-0.83) <.001 
  CCI 24 h, ≤0 0 (0-0) 0 (0-0.08) .013 
Per-protocol analysis    
 Platelet transfusions, n 1395 1391  
 Efficacy parameters, mean ± SD    
  Count increment 1 h, 109/L 25 ± 14 (n = 796) 12 ± 8 (n = 868)  
  CCI 1 h 13 ± 7 (n = 796) 7 ± 4 (n = 868) <.001 
  Count increment 24 h, 109/L 14 ± 14 (n = 895) 7 ± 8 (n = 897)  
  CCI 24 h 8 ± 7 (n = 895) 4 ± 4 (n = 897) <.001 
 Transfusion failure rate, median (IQR)    
  CCI 1 h, <7.5 0 (0-0.02) 0.50 (0.16-0.89) <.001 
  CCI 24 h, <4.5 0 (0-0.33) 0.50 (0.18-0.93) <.001 
  CCI 24 h, ≤0 0 (0-0) 0 (0-0.02) .014 

IQR, interquartile range.

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