Table 1.
Patient characteristics.
| Total Subanalysis Population | |
|---|---|
| Demographic data | |
| n (%) | 429 (100) |
| Age, years | 66.6 ± 8.5 |
| Male sex, n (%) | 368 (86) |
| Body mass index, kg/m2 | 28.6 ± 4.4 |
| Cardiovascular risk factors | |
| Hypertension, n (%) | 356 (83) |
| Hypercholesterinemia, n (%) | 266 (62) |
| Diabetes mellitus, n (%) | 142 (33) |
| Obesity, n (%) | 157 (37) |
| Smoking, n (%) | 288 (67) |
| Comorbidities | |
| Heart failure *, n (%) | 87 (20) |
| NYHA III/IV, n (%) | 96 (22) |
| History of myocardial infarction, n (%) | 122 (29) |
| Atrial fibrillation, n (%) | 60 (14) |
| History of transient ischemic attack or stroke, n (%) | 58 (13) |
| Mild-to-moderate chronic obstructive pulmonary disease, n (%) | 44 (10) |
| Renal failure †, n (%) | 88 (21) |
| Anemia ‡, n (%) | 87 (20) |
| Depression, n (%) | 19 (4) |
| Echocardiography parameters | |
| LV ejection fraction, % | 55.3 ± 11.7 |
| Impaired LV ejection fraction < 55%, n (%) | 98 (29) |
| Left atrial enlargement, n (%) | 154 (48) |
| Laboratory data | |
| NT-proBNP, pg/mL | 315 (104; 906) |
| Hemoglobin, g/dL | 14.1 (13.1; 15.0) |
| Hb1Ac, g/dL | 5.9 (5.5; 6.4) |
| Creatinine, mg/dL | 0.97 (0.84; 1.12) |
| GFR, mL/min/1.73 m2 | 80 (64; 90) |
| Preoperative information on surgical treatment | |
| CABG and valve surgery, n (%) | 95 (22) |
| Number of coronary stenoses, n | 3 (3; 5) |
| Number of grafts, n | 2 (2; 3) |
Data are presented as mean ± standard deviation, median (interquartile range) or absolute and relative frequencies. NYHA: New York Heart Association; LV: left ventricular; NT-proBNP: N-terminal probrain natriuretic peptide; HbA1c: glycosylated Hemoglobin, Type A1C; GFR: glomerular filtration rate; CABG: coronary artery bypass grafting. * n = 363; NT-proBNP ≥ 450 pg/mL (patients < 50 years of age), ≥900 pg/mL (patients ≥ 50 and <75 years of age) or ≥1800 pg/mL (patients ≥ 75 years of age); † glomerular filtration rate < 60 mL/min/1.73 m2; ‡ hemoglobin < 12 g/dL (women) or hemoglobin <13 g/dL (men).