Comparison of different parameters on CT and echo in patients with Vmax≥4 m/s and/or MG≥40 mm Hg and consistent (CT-AVA≤1 cm2) and inconsistent grading (CT-AVA>1 cm2)
| Imaging criteria | All patients | Consistent grading | Inconsistent grading | P value |
| Number of patients (%) | 292 (65) | 225 (77) | 67 (23) | |
| Age, years±SD | 81.3±8.4 | 82.9±6.8 | 75.9±10.8 | <0.001 |
| AVCS, median (IQR) | 3499 (2383–4661) | 3855 (2800–4940) | 2141 (1664–3000) | <0.001 |
| CT-AVA, mean cm2 (±SD) | 0.90 (0.3) | 0.76 (0.14) | 1.32 (0.25) | <0.001 |
| E-AVA, mean cm2 (±SD) | 0.65 (0.2) | 0.60 (0.2) | 0.79 (0.16) | <0.001 |
| Vmax, mean m/s (IQR) | 4.5 (4.2–5.0) | 4.6 (4.2–5.0) | 4.2 (4.2–5.0) | <0.001 |
| MG, mean mm Hg (±SD) | 48 (42–61) | 52 (44–62) | 40 (37–51) | <0.001 |
| Velocity ratio (±SD) | 0.21 (0.07) | 0.19 (0.06) | 0.25 (0.07) | <0.001 |
| E-LVEF, % (±SD) | 58.8 (12.3) | 58.6 (12.2) | 59.7 (13.7) | 0.51 |
| CT-LVEF, % (±SD) | 62.0 (15.7) | 60.9 (15.4) | 65.7 (13.7) | 0.03 |
| E-SVI (±SD) | 38.9 (12.5) | 37.6 (11.7) | 43.6 (14.3) | <0.001 |
| CT-SVI (±SD) | 41.2 (10.8) | 39.6 (10.2) | 46.8 (11.1) | <0.001 |
| LVOT Qmean, cm3/s (±SD) | 203 (62) | 193 (55) | 238 (70) | <0.001 |
AVA, aortic valve area; AVCS, aortic valve calcium score; E-AVA, echo AVA; E-LVEF, echo left ventricular ejection fraction;E-SVI, echo stroke volume index; LVOT, left ventricular outflow tract; MG, mean pressure gradient; Qmean, mean flow rate; Vmax, maximum flow velocity.