Table 4.

Transfusion requirements during CPB and total intraoperative and postoperative phases.

	Matched Cohort (n = 605)
Variable	Prescriptive Circuit (n = 204)	Conventional Circuit (n = 401)	p-Value*
PRBC-CPB (units)	.48 (±.97)	.51 (±1.14)	.6953
FFP-CPB (units)	.08 (±.36)	.03 (±.22)	.0128*
PRBC POST-CPB (units)	.66 (±1.75)	.77 (±1.72)	.9264
FFP POST-CPB (units)	.79 (±1.99)	.67 (±1.52)	.8946
PLT POST-CPB (units)	.48 (±1.1)	.45 (±.91)	.5956
Cryoprecipitate (units)	.31 (±.91)	.25 (±.76)	.6093
Tot. intraoperative PRBC (units)	1.14 (±2.17)	1.28 (±2.35)	.9175
Tot. intraoperative FFP (units)	.87 (±2.04)	.70 (±1.59)	.5293
Tot. intraoperative prod. (units)	2.79 (±5.45)	2.68 (±4.92)	.3934
PRBC ICU (units)	1.35 (±4.24)	1.48 (±3.99)	.1686
FFP-ICU (units)	.57 (±2.51)	.57 (±2.40)	.7112
PLT-ICU (units)	.22 (±1.04)	.34 (±1.51)	.1416
Tot. ICU prod. (units)	3.08 (±3.08)	2.52 (±8.09)	.1770

PLT, platelets; POST, post-bypass; tot, total; prod, products.

^*Statistical significance. Data are presented as mean ± SD.