Table 2.

Operative variables

Variables	WBC group (n = 297)	CCC group (n = 33)	P value
CPB time, min	97.8 ± 32.5	104.8 ± 36.9	0.243
Cross-clamp time, min	57.2 ± 20.9	63.8 ± 22.6	0.089
No. of cardioplegia’s doses per patient	2.3 ± 0.8	2.0 ± 0.7	0.045
No. of grafts per patient	2.7 ± 0.9	3.2 ± 0.9	0.001
Complete revascularization, n (%)	297 (100)	33 (100)	—
Hemoglobin pre-CPB, g/dL	12.6 ± 1.6	12.6 ± 2.2	0.523
Hemoglobin post-CPB, g/dL	9.5 ± 1.2	9.4 ± 1.2	0.759
Hematocrit pre-CPB, %	37.6 ± 4.8	38.1 ± 6.5	0.457
Hematocrit post-CPB, %	28.4 ± 3.4	28.0 ± 3.4	0.637
Intraoperative deaths, n (%)	1 (0.3%)	0	0.739

CPB cardiopulmonary bypass, WBC warm blood cardioplegia, CCC crystalloid cold cardioplegia