Table 1. Clinical characteristics of the patients at baseline.
| Total (n=208) | ACC group (n=102) | BH group (n=106) | 95% CI | ||||||||
| n | % | Mean±SD | n | % | Mean±SD | n | % | Mean±SD | Median | p | |
| Age (year) | 61.5±9.2 | 61.4±9.3 | 61.7±9.2 | 0.95-1.03 | 0.81 | ||||||
| Gender Male |
67 |
32 |
35 |
34 |
32 |
31 |
0.55 |
||||
| Body surface area (kg/m2) | 1.80±0.16 | 1.79±0.19 | 1.81±0.17 | 0.96-1.01 | 0.68 | ||||||
| Body Mass Index (kg/m2) | 25.1±3.5 | 25.0±3.5 | 25.2±3.4 | 0.95-1.03 | 0.67 | ||||||
| EuroSCORE II | 5.5±1.5 | 5.5±1.5 | 5.5±1.5 | 0.93-1.08 | 0.92 | ||||||
| EuroSCORE risk scale Low-risk Intermediate-risk High-risk |
33 139 36 |
16 66 18 |
16 70 16 |
16 68 16 |
17 69 20 |
16 65 19 |
1.00 |
||||
| Hypertension | 87 | 42 | 44 | 43 | 43 | 41 | 0.77 | ||||
| Diabetes mellitus | 62 | 30 | 31 | 30 | 31 | 29 | 0.88 | ||||
| Liver disease | 6 | 3 | 2 | 2 | 4 | 4 | 0.68 | ||||
| Current tobacco use | 112 | 54 | 53 | 52 | 59 | 56 | 0.67 | ||||
| COPD | 35 | 17 | 18 | 18 | 17 | 15 | 0.85 | ||||
| Hyperlipidemia | 73 | 35 | 33 | 32 | 39 | 37 | 0.56 | ||||
| History of peripheral vascular disease | 8 | 4 | 4 | 4 | 4 | 4 | 1.00 | ||||
| Previous stroke | 12 | 6 | 7 | 7 | 5 | 5 | 0.56 | ||||
| Serum creatinine (mg/dL) | 1.7±1.0 | 1.7±1.0 | 1.7±1.0 | 0.85-1.19 | 0.88 | ||||||
| Renal failure | 12 | 6 | 6 | 6 | 6 | 6 | 1.00 | ||||
| NYHA Functional Class III and IV | 116 | 56 | 55 | 54 | 61 | 58 | 0.67 | ||||
| Previous IABP support | 8 | 4 | 4 | 4 | 4 | 4 | 1.00 | ||||
| Infective endocarditis | 4 | 2 | 2 | 2 | 2 | 2 | 1.00 | ||||
| Reoperative cardiac surgery | 12 | 6 | 6 | 6 | 6 | 6 | 1.00 | ||||
| History of atrial fibrillation/flutter | 127 | 61 | 61 | 60 | 65 | 61 | 1.00 | ||||
| ACC: Aortic cross-clamping; BH: Beating heart; CI: Confidence interval; SD: Standard deviation; EuroSCORE: European System for Cardiac Operative Risk Evaluation; COPD: Chronic obstructive pulmonary disease; NYHA: New York Heart Association; IABP: Intra-aortic balloon pump. | |||||||||||