Table 2.
Comparison of baseline demographics and aortic stiffness between included and excluded TAVI and SAVR patients
| Parameter | SAVR included | SAVR excluded | p value | TAVI included | TAVI excluded | p value |
|---|---|---|---|---|---|---|
| Age (years) | 72.8 ± 7.0 | 70.0 ± 8.4 | 0.261 | 81 ± 6.3 | 80 ± 7.2 | 0.593 |
| STS score (%) | 2.01 ± 0.6 | 2.06 ± 0.9 | 0.900 | 5.68 ± 3.8 | 5.34 ± 2.8 | 0.693 |
| EuroSCORE II (%) | 1.53 ± 1.0 | 1.35 ± 0.56 | 0.116 | 5.66 ± 5.6 | 5.18 ± 3.4 | 0.691 |
| Systolic BP (mmHg) | 131 ± 23 | 127 ± 23 | 0.557 | 127 ± 28 | 132 ± 19 | 0.524 |
| Previous MI (n (%)) | 5 (13) | 1 (10) | 0.611 | 6 (19) | 4 (15) | 0.844 |
| Previous PCI (n (%)) | 1 (3) | 2 (20) | 0.250 | 10 (31) | 8 (31) | 0.872 |
| Peripheral Vascular Disease (n (%)) | 1 (3) | 1 (10) | 0.531 | 6 (19) | 6 (23) | 0.581 |
| Diabetes Mellitus (n (%)) | 4 (10) | 4 (40) | 0.163 | 8 (25) | 5 (19) | 0.721 |
| Hyperlipidaemia, n (%) | 24 (60) | 8 (80) | 0.925 | 20 (63) | 15 (58) | 0.998 |
| COPD, n (%) | 4 (10) | 1 (10) | 0.801 | 6 (19) | 5 (19) | 0.849 |
| Atrial Fibrillation, n (%) | 1 (3) | 3 (10) | 0.121 | 8 (25) | 5 (19) | 0.721 |
| AVA (cm2) | 0.90 ± 0.5 | 0.67 ± 0.2 | 0.195 | 0.62 ± 0.2 | 0.62 ± 0.2 | 0.941 |
| AAD (×10−3mmHg−1) | 1.95 ± 1.15 | 2.12 ± 1.07 | 0.648 | 1.96 ± 1.51 | 1.55 ± 0.61 | 0.338 |
Abbreviations: STS Society of Thoracic Surgeons mortality risk score, AVA aortic valve area, AAD ascending aortic distensibility