Table 2.
Echocardiographic Data of Study Subjects
| Non-AS (n = 79) | AS (n = 41) | |
|---|---|---|
| Aortic diameter, mm | 30 ± 3 | 29 ± 2 |
| Left atrial diameter, mm | 38 ± 6 | 39 ± 8 |
| Interventricular septal thickness, mm | 10 ± 2 | 10 ± 2 |
| Posterior wall thickness, mm | 10 ± 2 | 10 ± 2 |
| LV end-diastolic diameter, mm | 50 ± 8 | 48 ± 7 |
| LV end-systolic diameter, mm | 36 ± 10 | 34 ± 9 |
| Fractional shortening, % | 30 ± 10 | 30 ± 9 |
| LV outflow diameter, mm | 21 ± 1 | 20 ± 2* |
| Stroke volume, ml | 60 ± 12 | 52 ± 15* |
| E/E' | 9 ± 4 | 11 ± 6 |
| Aortic valve calcification, % | 30 | 68* |
| Peak velocity across the aortic valve, m/s | 1.27 ± 0.21 | 1.70 ± 0.41* |
| Mean pressure gradient across the aortic valve, mmHg | 3.53 ± 1.17 | 6.20 ± 3.28* |
| Aortic valve area, cm2 | 2.58 ± 0.39 | 1.62 ± 0.33* |
AS: aortic stenosis; LV: left ventricular; E/E': ratio of peak early diastolic transmitral flow velocity to peak early diastole mitral annular velocity. *P < 0.05 versus non-AS.