From: On-pump versus off-pump coronary artery bypass grafting: relationship between complications and released cytokines after on-pump surgery
Complication
On-pump
Off-pump
P
Atrial fibrillation
32
15
<0.002
Pericardial effusion, severe
4
0
<0.0001
Fever
6
2
0.03
Pulmonary
13