Table 1

Characteristics of patients with aortic stenosis and their two subgroups stratified according to the percentage of high molecular weight multimers (%HMWM) of von Willebrand factor

All patients (n=53)%HMWM <10.3 (n=11)%HMWM >10.3 (n=42)p Value
Demographic and clinical data
 Age (years)65.6±10.765.6±12.165.21±11.30.83
 Male, n (%)35/6610/9125/600.03
 Body mass index (kg/m2)27.58±0.625.45±3.828.26±0.80.13
 Hypertension, n (%)38 (72)9 (82)29 (69)0.01
 Hypercholesterolaemia, n (%)25 (47)6 (55)19 (45)0.07
 Current smoking, n (%)25 (47)7 (64)18 (43)0.04
Echocardiography
 Maximal gradient (mm Hg)88.15±22102.67±24.275.66±12.70.0003
 Mean gradient (mm Hg)63.65±16.379.45±17.554.85±12.10.0002
 LVEF (%)62.22±11.161.70±9.362.12±2.20.86
 AVA (cm2)0.69±0.30.61±0.20.71±0.050.35
 AVAI (cm2/m2)0.37±0.020.33±0.080.37±0.10.38
Laboratory parameters
 Glucose (mmol/l)5.79±1.46.03±1.65.78±1.50.07
 Creatinine (μmol/l)75.79 (57.3–121.4)76.62 (57.3–114.4)74.67 (57.6–121.4)0.07
 Total cholesterol (mmol/l)4.76±1.064.59±0.94.89±1.10.87
 HDL cholesterol (mmol/l)1.36±0.41.40±0.31.34±0.40.96
 LDL cholesterol (mmol/l)3.07±1.033.14±1 30.02±1.10.68
 Triglycerides (mmol/l)1.48±0.61.56±0.71.42±0.50.14
 Platelets (×103/mm3)256.81±53.9231.59±55.7267.14±48.90.09
 hsCRP (mg/l)4.43 (0.55–18.47)4.53 (0.55–18.47)4.32 (1.08–12.9)0.28
 Interleukin 6 (ng/ml)3.61 (0.3–10.13)3.45 (0.56–10.13)3.57 (0.3–9.99)0.79
  • Data are given as mean±SD, median (IQR) or n (%).

  • AVA, aortic valve area; AVAI, aortic valve area index; HDL, high-density lipoprotein; hsCRP, high-sensitivity C reactive protein; LDL, low-density lipoprotein; LVEF, left ventricular ejection fraction.