Baseline demographic and clinical characteristics
| Age, years (SD) | 78 75±7,4 |
| Male sex, n (%) | 166 (43.6) |
| Logistic EuroSCORE (SD) | 19.8 (14.3) |
| New York Heart Association class (NYHA), n (%) | |
| I | 3 (0.8) |
| II | 76 (19.9) |
| III | 265 (69.6) |
| IV | 37 (9.7) |
| Significant coronary artery disease, n (%) | 122 (31.9) |
| Prior myocardial infarction, n (%) | 100 (26.2) |
| Prior CABG, n (%) | 77 (20.2) |
| Prior PCI (last 12 months), n (%) | 96 (25.2) |
| Prior aortic balloon valvuloplasty, n (%) | 9 (2.4) |
| Prior cerebrovascular disease, n (%) | 51 (13.4) |
| Chronic obstructive pulmonary disease, n (%) | 63 (16.5) |
| Creatinine >200 μmol/L, n (%) | 27 (7.1) |
| Atrial fibrillation, n (%) | 132 (34.6) |
| Diabetes, n (%) | 139 (36.5) |
| Prior pacemaker, n (%) | 51 (13.4) |
| Pulmonary hypertension, n (%) | 66 (17.3) |
| Multimorbidity, n (%) | 257 (67.5) |
| Porcelain aorta, n (%) | 45 (11.8) |
| Chest deformity, n (%) | 12 (3.1) |
CABG, coronary artery bypass grafting; PCI, percutaneous coronary intervention.