Table 2.

Intraoperative predictors of postoperative atrial fibrillation.

Variable	AF	No AF	P value
No LIMA use	4.9%	0%	0.06
Clamp time	87 ± 12	67 ± 15	0.04
Pump time	136 ± 12	111 ± 12	0.05
Inotropic support	12.5%	4.5%	0.04

Notes: Results are expressed as means ± SD. Differences were considered significant at P < 0.05.

Abbreviations: AF, atrial fibrillation; LIMA, left internal mammary artery.