Table 1. Summary of patient baseline characteristics.
| Characteristics | Data |
|---|---|
| Total patients (n) | 13,857 |
| Males (%) | 6,327 (45.7%) |
| Age (mean ± SD) | 81.5±7.0 |
| Logistic EuroSCORE (mean ± SD) % | 22.1±13.7 |
| STS score (mean ± SD) % | 9.17±6.61 |
| Hypertension | 81.7% (5,447/6,667) |
| Diabetes mellitus | 28.2% (3,414/12,104) |
| Dyslipidaemia | 61.9% (2,318/3,743) |
| Peripheral vascular disease | 28.7% (3,571/12,440) |
| Pre-operative LVEF (%) | 53.5±15.1 |
| Pulmonary disease | 25.7% (3,243/12,605) |
| Previous cerebrovascular accidents | 12.1% (1,539/12,704) |
| Previous CABG | 22.0% (1,093/4,962) |
| Previous percutaneous intervention | 22.2% (2,138/9,628) |
| Previous myocardial infarction | 20.1% (2,253/11,184) |
| Renal disease | 18.2% (2,191/12,019) |
| History of atrial fibrillation | 26.0% (1,814/6,981) |
Where applicable, data is reported as percentage and the fraction of the total surveyed for a particular comorbidity. SD, standard deviation; STS, Society of Thoracic Surgeons; LVEF, left ventricular ejection fraction; CABG, coronary artery bypass graft.