Does Off-Pump Coronary Artery Bypass Grafting Negatively Impact Long-Term Survival and Freedom from Reintervention?

Table 2

Unmatched intraoperative data.

Variable	Off-pump; (𝑛=307)	On-pump; (𝑛=397)	𝑃 value
LIMA usage	307 (100)	397 (100)	1.00
RIMA usage	122 (39.7)	61 (15.4)	<0.01
SVG usage	185 (60.3)	336 (84.6)	<0.01
Grafts/patient	2.91±1.06	3.4±0.4	<0.01
CPB time (min)	—	79.7±35.2	—
Aortic cross-clamp time (min)	—	49.4±29.5
Conversion to CPB	3 (0.9)	—	—
ICOR	1.09±0.17	1.11±0.19	0.87

Values in parentheses are percentages.
CPB: cardiopulmonary bypass; ICOR: index of completeness of revascularization; LIMA: left internal mammary artery; RIMA: right internal mammary artery; SVG: saphenous vein graft.