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. Author manuscript; available in PMC: 2013 Jun 1.
Published in final edited form as: Transfusion. 2012 Jan 10;52(6):1221–1227. doi: 10.1111/j.1537-2995.2011.03476.x

Table 2.

The impact of product manipulation on platelet count


Manipulation		 Pre-manipulation
volume (ml)

[mean, (SD)]		 Post-manipulation
volume (ml)

[mean, (SD)]
P value		 Pre-manipulation
plt count

[mean, (SD)]		 Post-manipulation
plt count

[mean, (SD)]
P value		 Average Percent
recovery

[mean, (SD)]
Concentrated
Platelets (n=27)		 303.8 (67.1) 107.6 (15.9) < 0.001 354,421.9
(70,305.4)		 276,866.5
(54,135.5)		 < 0.001 79.0 (10.5)
Washed
Platelets (n=83)		 281.8 (72.5) 173.1 (11.5) < 0.001 349,098.9
(87,937.7)		 278,825.9
(71,554.9)		 < 0.001 80.1 (7.8)