Table 1.
Baseline information after inverse-probability-weighted among MVR and AVR cohorts.
| Mitral-valve replacement | Aortic-valve replacement | ||||||
| Bioprosthetic | Mechanical | SMD | Bioprosthetic | Mechanical | SMD | ||
| (n = 1215.0) | (n = 1176.5) | (n = 455.4) | (n = 455.7) | ||||
| Age, yrs (mean (SD)) | 56.66 (5.37) | 57.04 (4.98) | 0.074 | 58.55 (6.03) | 58.78 (5.73) | 0.040 | |
| Female, n (%) | 837.9 (69.0) | 824.5 (70.1) | 0.024 | 126.6 (27.8) | 161.8 (35.5) | 0.166 | |
| BMI (mean (SD)) | 23.50 (3.16) | 23.53 (3.38) | 0.011 | 24.63 (3.31) | 24.45 (3.29) | 0.055 | |
| Hypertension, n (%) | 126.7 (10.4) | 128.8 (10.9) | 0.017 | 133.0 (29.2) | 136.2 (29.9) | 0.015 | |
| Hyperlipidemia, n (%) | 40.7 (3.3) | 38.6 (3.3) | 0.004 | 0.0 (0.0) | 9.0 (2.0) | 0.200 | |
| Diabetes, n (%) | 68.4 (5.6) | 67.1 (5.7) | 0.003 | 22.6 (5.0) | 20.8 (4.6) | 0.018 | |
| Stroke, n (%) | 57.3 (4.7) | 52.5 (4.5) | 0.012 | 3.3 (0.7) | 5.4 (1.2) | 0.046 | |
| COPD, n (%) | 71.9 (5.9) | 90.6 (7.7) | 0.071 | 38.6 (8.5) | 29.8 (6.5) | 0.073 | |
| PVD, n (%) | 0.0 (0.0) | 7.0 (0.6) | 0.109 | 1.0 (0.2) | 0.0 (0.0) | 0.066 | |
| Infective endocarditis, n (%) | 8.4 (0.7) | 8.5 (0.7) | 0.004 | 5.5 (1.2) | 7.2 (1.6) | 0.033 | |
| Atrial fibrillation, n (%) | 912.8 (75.1) | 884.1 (75.1) | 0.001 | 35.6 (7.8) | 40.3 (8.8) | 0.037 | |
| Coronary heart disease, n (%) | 11.0 (0.9) | 15.5 (1.3) | 0.039 | 11.5 (2.5) | 14.0 (3.1) | 0.033 | |
| NYHA class, n (%) | 0.168 | 0.123 | |||||
| I | 67.4 (5.5) | 29.9 (2.5) | 22.5 (4.9) | 21.7 (4.8) | |||
| II | 738.2 (60.8) | 711.6 (60.5) | 313.2 (68.8) | 294.8 (64.7) | |||
| III | 383.6 (31.6) | 397.2 (33.8) | 111.9 (24.6) | 124.4 (27.3) | |||
| IV | 25.8 (2.1) | 37.8 (3.2) | 7.7 (1.7) | 14.7 (3.2) | |||
| Liver disease, n (%) | 2.6 (0.2) | 3.2 (0.3) | 0.011 | 0.0 (0.0) | 1.0 (0.2) | 0.066 | |
| Previous PCI, n (%) | 1.0 (0.1) | 0.0 (0.0) | 0.041 | 3.2 (0.7) | 2.2 (0.5) | 0.027 | |
Note: AVR, aortic valve replacement; MVR, mitral valve replacement; BMI, body mass index; COPD, chronic obstructive pulmonary disease; PVD, peripheral vascular disease; NYHA, New York Heart Association; PCI, percutaneous coronary intervention; SMD, standardized mean difference.