Table 4.

Plateletpheresis product data

	Amicus	COMTEC	p value
Swirling percent	100	100
PLT yield/bag (× 1011); median (range)	3.39 (2.84–4.03)	3.33 (2.87–3.94)	0.185
Number of PLT yield ≥ 3.3 × 1011/bag	29/32 (91%)	28/32 (88%)	0.325
PLT yield/blood volume processed	0.42	0.33	<0.001*
WBC count/bag (× 106); median (range)	0.30 (0.30–1.20)	0.57 (0.26–1.43)	0.805
Number of yield with WBC < 1 × 106	30 (94%)	28 (87%)	0.399
RBC count/bag (× 106); mean ± SD	4.3 ± 10.2	13.18 ± 15.18	0.008*
Collection efficiency, %; mean ± SD	55 ± 15	57 ± 15	0.477
Collection rate (PLT 1011/min); mean ± SD	0.077 ± 0.012	0.057 ± 0.008	<0.001*

PLT = platelet, WBC = white blood cell.

^*p = Statistically significant.