Table 1.
Pre-operative characteristics. Continuous data are median (I quartile-III quartile), categorical data are absolute numbers (percentages).
| Variables | Intuity (N=1688) | Magna (N=296) | Inspiris (N=605) | Combined (N=2589) | P-value |
|---|---|---|---|---|---|
| Age (y) | 75 [70–79] | 71.5 [66–76] | 60 [53–65] | 72 [64–78] | < 0.001 |
| Female gender | 807 (47.8 %) | 94 (31.8 %) | 139 (23.0 %) | 1040 (40.2 %) | < 0.001 |
| Body surface area (m2) | 1.8 [1.7–1.9] | 1.9 [1.8–2.0] | 1.9 [1.8–2.0] | 1.8 [1.7–2.0] | < 0.001 |
| Dyslipidemia | 935 (55.4 %) | 176 (59.5 %) | 275 (45.5 %) | 1386 (53.6 %) | < 0.001 |
| Arterial hypertension | 1350 (80.0 %) | 228 (77.0 %) | 373 (61.7 %) | 1951 (75.4 %) | < 0.001 |
| Diabetes mellitus | 406 (24.1 %) | 74 (25.0 %) | 59 (9.8 %) | 539 (20.8 %) | < 0.001 |
| NYHA functional class | < 0.001 | ||||
| I | 134 (7.9 %) | 40 (13.5 %) | 98 (16.2 %) | 272 (10.5 %) | |
| ≥II | 1535 (91.6 %) | 256 (86.5 %) | 506 (83.8 %) | 2297 (88.7 %) | |
| Peripheral arterial disease | 269 (15.9 %) | 62 (20.9 %) | 35 (5.8 %) | 366 (14.1 %) | < 0.001 |
| COPD | 232 (13.8 %) | 27 (9.1 %) | 64 (10.6 %) | 323 (12.5 %) | 0.018 |
| Neurological dysfunction | 57 (3.4 %) | 11 (3.7 %) | 13 (2.1 %) | 81 (3.1 %) | 0.265 |
| GFR (mL/min/1.73 m2) | 70 [53.6–85.9] | 80 [63.2–90.5] | 87.7 [71.2–97.9] | 75.0 [58.7–91.0] | < 0.001 |
| Coronary artery disease | 532 (31.5 %) | 77 (26.0 %) | 110 (18.2 %) | 719 (27.8 %) | < 0.001 |
| Previous cardiac surgery | 73 (4.3 %) | 11 (3.7 %) | 62 (10.2 %) | 146 (5.6 %) | < 0.001 |
| STS Score (%) | 1.9 [1.3–2.8] | 1.3 [0.9–2.0] | 0.9 [0.6–1.5] | 1.6 [1.0–2.5] | < 0.001 |
| LVEF (%) | 60 [55–65] | 60 [55–65] | 60 [55–65] | 60 [55–65] | 0.359 |
Table legend: NYHA: New York Heart Association, COPD: Chronic obstructive pulmonary disease; GFR: Glomerular filtration rate; STS: Society of Thoracic Surgeons; LVEF: Left ventricular ejection fraction.