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. 2009 Jul;3(2):86–94. doi: 10.4103/0973-6247.53882

Table 3.

WBC contamination per unit

Platelet concentrates WBC Count per unit

Mean ± SD Range
PRP-PC* (n = 10) [×107 per unit] 4.05±0.48 3.4-4.77
BC-PC* (n = 10) [×107 per unit] 2.08±0.39 1.6-2.7
Apheresis-PC $ (n = 6) [×106 per unit] 4.8±0.8 3.2-5.2

P value-PRP-PC* vs. BC-PC*- statistically significant (P< 0.001); Apheresis-PC $ vs. PRP-PC*/BC-PC*-statistically significant (P< 0.001)