Baseline patient characteristics
| Characteristic | Patient cohort (n=1775) | |
|---|---|---|
| Data available n (%)* | No. (%) or mean±SD | |
| Demography | ||
| Age (years) | 1775 (100) | 43.7±12 |
| Height | 1698 (96) | 175±9.42 |
| Weight | 1698 (96) | 78.2±14.5 |
| Gender | 1775 (100) | |
| Male | 1326 (75) | |
| Female | 449 (25) | |
| Symptoms | ||
| NYHA functional class | 1657 (93) | |
| I | 453 (27) | |
| II | 744 (45) | |
| III | 406 (25) | |
| IV | 54 (3.3) | |
| Ventilation support | 1775 (100) | 2 (0.11) |
| Predominant aortic haemodynamics | 1775 (100) | |
| Regurgitation | 430 (24) | |
| Stenosis | 411 (23) | |
| Combined | 898 (51) | |
| Other | 36 (2) | |
| Aortic valve type | 1775 (100) | |
| Bicuspid | 1116 (63) | |
| Tricuspid | 411 (23) | |
| Other | 159 (9) | |
| Unknown | 89 (5) | |
| Timing of surgery | 1775 (100) | |
| Surgery within 24 h | 32 (1.8) | |
| Elective surgery | 1739 (98) | |
| Cardiac comorbidity | ||
| History of angina | 1696 (96) | 411 (24) |
| Preoperative coronary artery disease | 1775 (100) | 57 (3.2) |
| Previous heart operations (eg, aortic valve and arch surgery, VSD repair) | 1775 (100) | 161 (9.1) |
| Rhythm | 1775 (100) | |
| Sinus rhythm | 1753 (99) | |
| Atrial fibrillation | 16 (0.9) | |
| Other (eg, heart block, pacemaker) | 6 (0.34) | |
| Left ventricular function | 1189 (67) | |
| EF ≥50% | 1051 (88) | |
| EF 26–49% | 134 (11) | |
| EF ≤25% | 4 (0.34) | |
| EF (continuous, %) | 1276 (72) | 63.5±11.3 |
*Number of patients from whom data are available.
EF, ejection fraction; NYHA, New York Heart Association; VSD, ventricular septal defect.