Table 2.

MB counts per minute (control) + 500 mL/min vent

	Before the Membrane (MB/min)	After the Arterial Filter (MB/min)	Percent Decrease	p
Vision	315 ± 118	3.0 ± 2.0	99	.0100
RX25	668 ± 31	7.0 ± 5.0	99	.0008
Synthesis	464 ± 192	4.0 ± 2.0	97.6	.0143
Affinity	670 ± 9.0	131 ± 97	80.4	.0106
Quadrox	685 ± 6.0	343 ± 66	49.9	.0124