Table 2: Unmatched intraoperative data.

VariableOff-pump
( )
On-pump
( )
value

LIMA usage307 (100)397 (100)1.00
RIMA usage122 (39.7)61 (15.4)<0.01
SVG usage185 (60.3)336 (84.6)<0.01
Grafts/patient <0.01
CPB time (min)
Aortic cross-clamp time (min)
Conversion to CPB3 (0.9)
ICOR 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.