Table 2.

Patient characteristics.

Characteristics	Group 1	Group 2	P value
Age (years)	37±12	32±14	0.41
Females (%)	28 (50%)	36 (65%)	0.62
EuroSCORE 2	2.51±1.34	2.29±1.36	0.42
Preoperative serum creatinine (mg/dl)	1.02±0.3	1.12±0.4	0.19
Creatinine 48 hour postoperative (mg/dl)	0.93±0.28	0.90±0.12	0.48
Preoperative ejection fraction (%)	56.0±5.2	55.6±4.9	0.63
Aortic cross clamp time (min)	58.9±10.3	66.3±11.2	0.23
Cardiopulmonary bypass time (min)	73.8±16.5	76.4±16.9	0.43
Mechanical ventilation time (hrs.)	6.83±2.33	6.34±2.10	0.63
ICU stay (days)	6.39±2.17	6.76±2.64	0.74
Hospital stay (days)	8.63±3.20	8.08±2.52	0.72
Maximum inotropic score	6.3±2.52	6.±2.13	0.65
Postoperative new onset AF	5 (8.9%)	7 (12.9%)	0.12
Myocardial infarction	-	-

AF = atrial fibrillation; ICU = intensive care unit