Table 1.
Baseline patient demographics.
| Variable | Entire cohort | 2008–2009 | 2010–2011 | 2012–2014 | p value |
|---|---|---|---|---|---|
| Age (years) | 82 ± 5 | 83 ± 4 | 82 ± 4 | 81 ± 5 | 0.6 |
| Male | 83 (56%) | 25 (64%) | 19 (47%) | 39 (61%) | 0.05 |
| NYHA | 3.3 ± 0.6 | 3.4 ± 0.2 | 3.2 ± 0.5 | 3.3 ± 0.7 | 0.8 |
| CCS | 0.4 ± 0.8 | 0.4 ± 0.7 | 0.4 ± 0.7 | 0.4 ± 1.0 | 0.7 |
| GRF ml/min | 58 ± 22 | 54 ± 19 | 66 ± 22 | 57 ± 25 | 0.07 |
| GFR < 30 ml/min | 29 (20%) | 7 (19%) | 5 (14%) | 17 (25%) | 0.2 |
| Pacemaker | 17 (12%) | 7 (18%) | 3 (8%) | 7 (11%) | 0.2 |
| Atrial fibrillation | 25 (17%) | 6 (15%) | 3 (8%) | 16 (25%) | 0.3 |
| Ejection fraction | 50 ± 9 | 51 ± 10 | 49 ± 9 | 50 ± 8 | 0.6 |
| AVA | 0.8 ± 0.7 | 0.7 ± 0.2 | 0.7 ± 0.2 | 0.9 ± 0.9 | 0.2 |
| AR grade | 1.1 ± 0.9 | 0.9 ± 0.6 | 0.8 ± 0.6 | 1.3 ± 1.1 | 0.02 |
| MR grade | 1.1 ± 0.8 | 1.3 ± 0.5 | 1.0 ± 0.3 | 1.4 ± 0.7 | 0.5 |
| EURO II score | 9.1 ± 5 | 9.1 ± 6.3 | 9.4 ± 3.2 | 8.2 ± 3.7 | 0.4 |
Data is expressed as mean ± standard deviation or number of patients (%).
AVA is aortic valve area-cm2; AR is Aortic Regurgitation; MR is Mitral Regurgitation; EF is ejection fraction measured by Simpsons.