Table 4. Operative factors between non-post operative atrial fibrillation and post operative atrial fibrillation groups .

Operation	Non-POAF N = 140	POAF N = 126	p-value
Emergency	30 (21.43%)	42 (33.33%)	0.038*
PUMP/OFF PUMP/P+B	99/25/16 (70.71%/17.86%/11.43%)	86/16/24 (68.25%/12.70%/19.05%)	0.152
No. of grafts	2.96 ± 0.88	2.94 ± 0.66	0.768
CPB time (min)	98.86 ± 55.01	113.24 ± 58.88	0.041*
Aortic cross-clamp time (min)	46.29 ± 33.95	43.01 ± 32.87	0.426

CPB time, cardiopulmonary bypass time; Non-POAF, non-post operative atrial fibrillation; OFF PUMP, coronary bypass without cardiopulmonary bypass pump; P+B, on cardiopulmonary bypass pump with beating heart during coronary anastomosis; POAF, post-operative atrial fibrillation; PUMP, on cardiopulmonary bypass pump with cardiac arrest.

* p-value < 0.05; ^# p-value < 0.01.