Nutritional supplement drink reduces inflammation and postoperative depression in patients after off-pump coronary artery bypass surgery

Table 2 Patient characteristics

	CTL	YKR	P value
Number of patients	130	99
Age, yr	69.4 ± 0.8	68.5 ± 1.0	0.437
Female (%)	20 (15.4)	12 (12.1)	0.481
BMI	24.5 ± 0.3	24.7 ± 0.3	0.644
Hypertension (%)	90 (69.2)	74 (74.7)	0.360
Diabetes mellitus (%)	70 (53.8)	49 (49.5)	0.407
Dyslipidemia (%)	94 (72.3)	75 (75.8)	0.791
Smoking history (%)	78 (60.0)	59 (59.6)	0.950
Preoperative AF (%)	4 (3.1)	1 (1.0)	0.261
NYHA	1.6 ± 0.1	1.7 ± 0.1	0.725
LAD, mm	37.3 ± 0.4	37.9 ± 0.5	0.316
LVDd, mm	47.8 ± 0.5	49.1 ± 0.7	0.131
LVDs, mm	32.0 ± 0.6	32.7 ± 0.8	0.537
IVST, mm	9.7 ± 0.1	9.9 ± 0.1	0.266
PWT, mm	9.8 ± 0.1	10.0 ± 0.1	0.195
LVEF, %	61.0 ± 0.8	60.0 ± 1.4	0.540
Operation time, min	253.6 ± 5.7	248.4 ± 6.8	0.555
Intubation time, h	6.7 ± 0.7	5.6 ± 0.4	0.176
Number of distal anastomosis	3.2 ± 0.1	3.2 ± 0.1	0.964
Right gastroepiploic artery graft (%)	66 (50.8)	52 (52.5)	0.793
Saphenous vein graft (%)	47 (36.2)	32 (32.3)	0.470
Blood transfusion (%)	23 (17.7)	19 (19.2)	0.662
Postoperative AF (%)	31 (23.8)	24 (24.2)	0.936
ICU stay, d	1.2 ± 0.0	1.2 ± 0.0	0.895
Hospital stay, d	10.1 ± 0.3	10.7 ± 0.4	0.187

AF: Atrial fibrillation; BMI: Body mass index; ICU: Intensive care unit; IVST: Interventricular septum thickness; LAD: Left atrium diameter; LVDd: Left ventricular diastolic diameter; LVDs: Left ventricular systolic diameter; LVEF: Left ventricular ejection fraction; NYHA: New York Heart Association classification; PWT: Posterior wall thickness; CTL: Control group; YKR: Yunker group.