Table 4: Postoperative data of propensity-matched patients.

VariableOff-pump
( )
On-pump
( )
value

Inotropes leaving OR26 (8.5)54 (17.6)<0.001
Stroke/TIA1/1 (0.7)2/1 (1.0)0.87
Atrial fibrillation37 (12.1)47 (15.3)0.73
Chest infection14 (4.6)19 (6.2)0.76
Hemofiltration4 (1.3)19 (6.2)0.01
Postoperative IABP5 (1.6)7 (2.3)0.79
Ventilation > 24 hrs7 (2.3)11 (3.6)0.67
Superficial sternal infection3 (0.9)4 (1.3)0.84
Deep sternal infection2 (0.7)3 (0.9)0.91
Mediastinitis0 (0)1 (0.3)0.76
Vein harvest site infection7 (2.3)10 (3.3)0.83
Blood product usage19 (6.2)91 (29.6)<0.001
Return to OR for bleeding8 (2.6)17 (5.5)0.01
Tracheostomy1 (0.3)3 (0.9)0.67
GI complications2 (0.6)3 (0.9)0.79
Length of ICU stay
median (IQR)
1 (1–3)1 (1–3)0.98
Length of hospital stay
median (IQR)
7 (4–13)7 (4–13)0.98
In-hospital mortality4 (1.3)4 (1.3)1.00
Late mortality11 (3.6)12 (3.9)0.91
Readmission10 (3.3)11 (3.6)0.93
Reintervention2 (0.7) 2 (0.7)1.00

Values in parentheses are percentages.
GI: gastrointestinal; IABP: intra-aortic balloon pump; ICU: intensive care unit; IQR: interquartile range; OR: operating room; TIA: transient ischemic attack.