Table 4

Change in platelet contractile force by number of units of product transfused

Coefficient (β)CIP value
Cumulative platelet contractile force
Number of units transfused at 0–6 hours
 pRBCs 0–6 hours−3119.42−6275.61 to −36.780.05*
 FFP 0–6 hours−2148.12−5199.05 to 902.820.07
 PLT 0–6 hours−10051.02−21385.31 to 1283.260.08
Number of units transfused at 6–12 hours
 pRBCs 6–12 hours−3539.41−20374.41 to 13 295.580.68
 FFP 6–12 hours−3331.80−23195.48 to 16 531.890.74
 PLT 6–12 hours6681.87−51178.01 to 64 541.780.82
Number of units transfused at 12–24 hours
 pRBCs 12–24 hours−8566.44−33510.66 to 16 377.770.50
 FFP 12–24 hours496.70−26724.59 to 27 717.990.97
 PLT 12–24 hours11 359.83−23548.52 to 46 298.180.52
Maximum platelet contractile force
Number of units transfused at 0–6 hours
 pRBCs 0–6 hours−11.47−21.56 to −1.370.03*
 FFP 0–6 hours−10.93−20.61 to −1.260.03*
 PLT 0–6 hours−39.75−75.93 to −3.570.03*
Number of units transfused at 6–12 hours
 pRBCs 6–12 hours−25.99−79.96 to 27.980.34
 FFP 6–12 hours−23.94−87.71 to 39.830.46
 PLT 6–12 hours−77.19−262.78 to 108.390.41
Number of units transfused at 12–24 hours
 pRBCs 12–24 hours−71.47−149.89 to 6.960.07
 FFP 12–24 hours−61.17−147.10 to 24.760.16
 PLT 12–24 hours−16.82−128.25 to 94.610.77
  • Data were compared using simple linear regression and were reported with the corresponding coefficient, or β-value, CI, and p value.

  • *Indicates statistically significant findings of p≤0.05.

  • FFP, fresh frozen plasma; PLT, platelets; pRBCs, packed red blood cells.