Baseline SinoSCORE and STS characteristics
| SinoSCORE characteristics | n=13 969 (%) |
| Male | 10 414 (74.55) |
| Age (years) | |
| <65 | 5319 (38.08) |
| 65–69 | 2613 (18.71) |
| 70–74 | 2324 (16.64) |
| ≥75 | 3713 (26.58) |
| BMI | |
| ≥24 | 11 294 (80.85) |
| <18 | 60 (0.43) |
| LVEF <50% | 4342 (31.08) |
| NYHA | |
| Stage III | 1567 (11.22) |
| Stage IV | 786 (5.63) |
| Chronic renal failure | 377 (2.70) |
| Extracardiac arteriopathy | 3555 (25.45) |
| COPD | 1228 (8.79) |
| Preoperative atrial fibrillation or flutter | 1213 (8.68) |
| Preoperative critical stage | 1226 (8.78) |
| Non-elective surgery | 7631 (54.63) |
| Combined valve surgery | 2233 (15.99) |