Variable | Aortic stenosis (n = 49) | No aortic stenosis (n = 133) | p Value | ||
---|---|---|---|---|---|
Mean (SD) | Range | Mean (SD) | Range | ||
aortic Vmax, maximum aortic flow velocity; AVPD, atrioventricular plane displacement; E:A, ratio of early to atrial peak velocity of diastolic transmitral flow; IVSDd, interventricular septum diameter at end diastole; LAs, left atrial diameter at end systole; LVEF, left ventricular ejection fraction; LVIDd, left ventricular internal diameter at end diastole; LVM, left ventricular mass; LVPWDd, left ventricular posterior wall diameter at end diastole; MR, mitral regurgitation; NA, not applicable; VTI ratio, velocity–time integral ratio of left ventricular outflow tract flow to aortic flow. | |||||
Age (years) | 77 (8) | 53–90 | 67 (12) | 35–90 | <0.0001 |
Body surface (m2) | 1.77 (0.18) | 1.39–2.09 | 1.92 (0.20) | 1.51–2.42 | <0.0001 |
IVSDd/m2 (mm) | 7.4 (1.9) | 4.1–13.3 | 5.6 (1.0) | 3.6–9.0 | <0.0001 |
LVPWDd/m2 (mm) | 7.2 (1.5) | 4.9–12.2 | 5.9 (0.8) | 4.1–8.1 | <0.0001 |
LVIDd/m2 (mm) | 27.3 (3.4) | 18.4–34.2 | 26.6 (4.2) | 13.6–39.8 | 0.285 |
LVM/m2 (g) | 137 (43) | 76–266 | 112 (32) | 48–234 | <0.0001 |
LAs/m2 (mm) | 24.7 (3.4) | 18.5–34.2 | 22.1 (2.9) | 15.6–32.5 | <0.0001 |
AVPD (mm) | 9.2 (2.3) | 4.8–15.5 | 10.7 (2.8) | 4.4–17.0 | 0.001 |
LVEF (%) | 50 (12) | 20–70 | 52 (14) | 15–70 | 0.542 |
E:A | 1.08 (0.89) | 0.15–3.60 | 1.08 (0.60) | 0.30–4.50 | 0.967 |
Diastolic performance (grade 1–3) | 2.1 (0.57) | 1–3 | 1.9 (0.67) | 1–3 | 0.026 |
MR | 1.9 (1.0) | 0–5.0 | 1.5 (0.9) | 0–4.0 | 0.013 |
VTI ratio | 0.25 (0.07) | 0.12–0.39 | NA | NA | NA |
Aortic Vmax (m/s) | 3.8 (1.0) | 2.1–6.6 | NA | NA | NA |