Table 2. Intraoperative and postoperative surgical data.

	Group 1 (n = 28)	Group 2 (n = 20)	P value
Number of grafts	2.7 ± 0.6	2.2 ± 0.8	0.033*
ACCT, min	71.6 ± 30.6	63.3 ± 31.1	0.361
TPT, min	110.6 ± 34.8	109.5 ± 50.6	0.932
Inotrope usage, n (%)	20 (71.4)	17 (85)	0.280
Prolonged CPB, n (%)	3 (10.7)	6 (30)	0.095**
IABP, n (%)	1 (3.6)	2 (10)	0.375
ECMO, n (%)	1 (3.6)	0 (0)	0.404
Intubation time, h	11.7 ± 9.1	9.6 ± 7*	0.405
Inotrope time, h	11.8 ± 23.4	11.5 ± 19.2	0.965
Drainage, mL	601.7 ± 311.3	604.2 ± 212.7	0.42
Whole blood, unit	0.3 ± 0.5	0.3 ± 0.4	0.808
Erythrocyte suspension, unit	0.9 ± 0.7	0.8 ± 0.7	0.461
Fresh frozen plasma, unit	2.7 ± 1	2.6 ± 0.9	0.715
Urea, mg/dL	54.7 ± 21.1	48.9 ± 15.5	0.305
Creatinine, mg/dL	1.4 ± 0.8	1.2 ± 0.4	0.205
Postoperatively complication incidence
Complication, n (%)	11 (42.8)	11 (55)	0.417
Bleeding, n (%)	3 (10.7)	1 (5)	0.491
Tamponade, n (%)	0	0	1.00
Effusion, n (%)	1 (3.6)	0	0.404
Respiratory, n (%)	10 (35.7)	6 (30)	0.687
Neurological, n (%)	0	1 (5)	0.241
Renal, n (%)	4 (14.3)	2 (10)	0.666
Hemodialysis, n (%)	1 (3.6)	0	0.404
LCOS, n (%)	3 (10.7)	2 (10)	0.938
Atrial fibrillation, n (%)	4 (14.3)	4 (20)	0.610
Major infection, n (%)	0	0	1.00
ICU stay, day	2.2 ± 0.9	3.1 ± 3.1	0.178
Hospital stay, day	7.4 ± 2.7	8.1 ± 2.5	0.330
Mortality, n (%)	1 (3.6)	1 (5)	0.812

Values are mean ± SD. ^*significant, ^**marginally significant.

The patient, whose intubation time is 340 hours, is excluded from statistical evaluation.

ACCT: aortic cross-clamp time; CPB: cardiopulmonary bypass; COPD: chronic obstructive pulmonary disease; DM: diabetes mellitus; ECMO: extra corporeal membrane oxygenation; FEF 25-75: forced expiratory flow; FEV1: forced expiratory volume in one second; FVC: forced vital capacity; HT: hypertension; IABP: intra-aortic balloon pump; ICU: intensive care unit; LCOS: low cardiac output syndrome; LV-EF: left ventricular ejection fraction; TPT: total perfusion time