Table 2.

Perioperative data (mean ± SD)

Variable	MI Group	CO Group	P
Intraoperative blood loss (mL)	496.4 ± 217.2	887.7 ± 555.3	0.001
Postoperative drainage (mL)	146.7 ± 61.9	344.3 ± 114.0	<0.001
Total blood replacement (U)	0.43 ± 0.8	1.16 ± 1.3	0.015
Time to ambulation (days)	3.8 ± 0.8	13.4 ± 5.7	<0.001
Length of hospital stay (days)	9.5 ± 2.0	15.2 ± 3.4	<0.001
Surgical time (min)	203.6 ± 36.6	194.5 ± 47.2	0.417