Patient and procedure characteristics
| Age (mean, SD, range) | 69.6±10.4, 40–88 |
| Male | 72% |
| Comorbidity | |
| Hypertension | 48% |
| Hypercholesterolaemia | 41% |
| Elective | 81% |
| Duration of symptoms in months, (median, IQR, range) | 24, 38, 0.5–144 |
| Single valve disease and intervention | 89% |
| Type of valve disease | |
| Aortic stenosis | 57% |
| Mitral regurgitation | 13% |
| Aortic regurgitation | 8% |
| Mixed aortic pathology | 8% |
| Mitral stenosis | 1% |
| Mixed mitral pathology | 1% |
| Multiple valve disease | 12% |
| Type of surgery for those with single valve disease | |
| Replacement | 53% |
| Replacement and other | 40% |
| Repair | 4% |
| Repair and other | 3% |