Table. Baseline and Surgical Characteristics.
| Characteristic | No. (%) |
|---|---|
| Patients, No. | 1431 |
| Age, mean (SD), y | 47.7 (9.5) |
| <20 | 20 |
| 20-40 | 192 |
| 40-60 | 1114 |
| >60 | 105 |
| Male | 1064 (74.3) |
| Hypertension | 374 (32.0) |
| Total No. | 1167 |
| Diabetes | 43 (4.1) |
| Total No. | 1055 |
| Coronary artery disease | 52 (4.9) |
| Total No. | 1056 |
| Chronical obstructive lung disease | 21 (2.0) |
| Total No. | 1056 |
| Congestive heart failure | 15 (1.2) |
| Total No. | 1230 |
| Dyslipidemia | 223 |
| Total No. | 1056 |
| Peripheral arterial disease | 5 (0.5) |
| Total No. | 1056 |
| Aortic valve morphology | |
| Total No. | 1022 |
| Bicuspid | 778 (76.1) |
| Tricuspid | 191 (18.7) |
| Other/prosthetic | 53 (5.2) |
| Concomitant procedures | |
| CABG | 45 (3.7) |
| Total No. | 1230 |
| Previous cardiac surgery | 85 (5.9) |
| Echocardiographic | |
| LVEDD, mean (SD), mm | 53 (9.5) |
| Total No. | 1198 |
| LVESD, mean (SD), mm | 34 (8.5) |
| Total No. | 1127 |
| LVEF, mean (SD), % | 66 (11.5) |
| Total No. | 967 |
| Aorta valve gradient, mean (SD), mm Hg | |
| Peak | 70 (33) |
| Mean | 44 (21) |
| Aortic valve regurgitation | |
| Total No. | 1117 |
| Aortic regurgitation | |
| None | 141 (12.6) |
| Trace | 363 (32.5) |
| Mild | 237 (21.2) |
| Moderate | 278 (24.9) |
| Severe | 98 (8.8) |
| CPB time, mean (SD), min | 198 (41) |
| Total No. | 1313 |
| Cross-clamp time, mean (SD), min | 173 (36) |
| No. | 1313 |
| RVOT conduit | |
| No. | 1206 |
| Homograft | 1189 (98.6) |
| Pulmonary | 1185 (99.7) |
| Aortic | 4 (0.3) |
| Bioprosthesis | 17 (1.4) |
| In-hospital mortality | 10 (0.7) |
Abbreviations: CABG, coronary artery bypass grafting; CPB, cardio-pulmonary bypass; LVEDD, left ventricular end-diastolic diameter; LVEF, left ventricular ejection fraction; LVESD, left ventricular end-systolic diameter; NYHA, New York Heart Association; RVOT, right ventricular outflow tract.