Table 1

Clinical, echocardiographic, and catheterisation data of 333 patients with aortic valve stenosis (AVA<1.0 cm2) and the subgroups with inconsistent grading (catheter-derived AVA<1.0 cm2 and ΔPm<40 mm Hg) and consistent severe stenosis (AVA<1.0 cm2 and ΔPm>40 mm Hg)

Aortic valve stenosis
All patientsInconsistentConsistentp Value
(n=333)AVA<1.0 cm2 ΔPm≤40 mm Hg
(n=85)
AVA<1.0 cm2 ΔPm>40 mm Hg
(n=153)
Clinical data
 Ageyears67.6±10.571±1167±110.006
 Female%4559490.18
 Heightcm167±9163±8166±80.01
 Weightkg76±1373±1274±120.52
 BSAm21.87±0.21.82±0.21.85±0.20.23
 Systolic BPmm Hg140±23144±25138±220.04
 Diastolic BPmm Hg70±ll69±1270±100.41
 CAD%4553390.06
 Hypertension%6780570.001
 Hypercholesterolaemia%7268730.46
 Diabetes mellitus%1822160.30
Echocardiography
 LV diameter
  End-diastolicmm47.2±5.845.8±5.447.0±5.90.13
  End-systolicmm28.9±5.328.2±4.928.8±5.10.39
  Shortening fraction%39.1±6.338.9±6.139.1±6.10.77
 LVOT
  Diametermm19.9±1.619.5±1.519.8±1.50.23
  Vmaxm/s1.0±0.161.0±0.21.0±0.20.19
  Vmeanm/s0.68±0.110.68±0.1i0.68±0.110.72
 Aortic valve
  Vmaxm/s4.43±0.664.16±0.504.8±0.550.001
  Vmeanm/s3.15±0.552.93±0.393.48=0490.001
  ΔPmmm Hg45.8±15.339.4±10.654.9±14.30.001
  Areacm20.73±0.170.76±0.120.66±0.160.001
  Indexed areacm2/m20.39±0.090.42±0.070.36±0.090.001
  Stroke volumem/s70±1467±1269±140.35
  Stroke volume indexml/m237.5±7.137.1±6.637.4±7.40.79
Cardiac catheterisation
 Heart rate/min71.0±1370.1±12.272.3±14.00.44
 Ejection periods0.36±0.050.36±0.050.36±0.050.78
 Cardiac output1/mm5.1±1.14.4±0.95.0±1.00.001
 Cardiac index1/min/m22.7±0.52.5±0.52.7±0.50.001
 Stroke volumeml72.9±17.763.2±13.670.1±14.80.001
 Stroke volume indexml/m239.4±8.335.3±6.938.7±7.20.001
 Aortic valve
  ΔPmmm Hg42.6±17.132.4±5.956.7±12.90.001
  areacm0.88±0.30.80±0.10.69±0.10.001
  indexed areacm2/m20.47±0.150.44±0.070.37±0.070.001
  • p values are for comparison of inconsistent versus consistent grading.

  • AVA, aortic valve area; BSA, body surface area; BP, blood pressure; CAD, coronary artery disease; LV, left ventricular; LVOT, left ventricular outflow tract; ΔPm, mean pressure gradient.