Table 1.
AVR cohort characteristics stratified by procedure (AVR alone, AVR+CABG)
| Characteristics | Valve alone | Valve+other | p Value |
|---|---|---|---|
| Number of patients | 967 | 848 | |
| Age at procedure | 74.8 (5.6) | 75.4 (5.7) | 0.02 |
| Male | 457 (47.6%) | 565 (66.6%) | <0.0001 |
| Cumulative bypass time | 92.8 (27.3) | 125.6 (38) | <0.0001 |
| Cumulative cross clamp time | 67 (18.1) | 87.2 (23.1) | <0.0001 |
| EuroSCORE | 6.8 (1.9) | 7.3 (2.1) | <0.0001 |
| Logistic EuroSCORE | 0.079 (0.05) | 0.095 (0.075) | <0.0001 |
| High EuroSCORE (>5) | 720 (74.5%) | 666 (78.5%) | <0.0001 |
| Aortic valve gradient (mm Hg) | 55.1 (41.1) | 43.8 (37.0) | 0.53 |
| Aortic valve (mechanical) | 181 (18.7%) | 149 (18.2%) | 0.11 |
| Severely impaired left ventricular function | 49 (5.1%) | 58 (6.9%) | 0.68 |
| Chronic kidney disease (SCr ≥200 µmol/L) | 19 (2.0%) | 19 (2.3%) | 0.45 |
| Chronic lung disease | 142 (14.7%) | 114 (13.4%) | <0.0001 |
| Number of grafts | 0.0 (0.0%) | 1.8 (1%) | =0.21 |
| Aortic valve size (mm) | |||
| 17 | 6 (0.6%) | 8 (0.9%) | |
| 19 | 249 (25.8%) | 186 (21.9%) | |
| 21 | 394 (40.87%) | 333 (40.1%) | |
| 23 | 233 (24.1%) | 226 (26.6%) | |
| 25 | 61 (6.3%) | 71 (8.4%) | |
| 27 | 19 (2.0%) | 18 (2.1%) | |
| 29 | 2 (0.2%) | 5 (0.6%) |
Mean (SD) or %; t test and χ2 tests for comparing means and percentages, respectively.
AVR, aortic valve replacement; CABG, coronary artery bypass graft; EuroSCORE, European System for Cardiac Operative Risk Evaluation.