Table 2.

Vascular indices of patients with AS and healthy controls matched 1:1 for age, sex, and classical CVD risk factors. Data are mean ± SD or n unless otherwise specified.

VariablesAS, n= 67Controls, n= 67p
Atheromatosis indices
  Subjects with plaques0.114
    Carotid and/or femoral2332
    Carotid and femoral1017
    Only carotid33
    Only femoral1012
  Plaque localization0.366
    Unilateral carotid813
    Bilateral carotid57
    Only 1 site1080.104
    More than 1 site1324
Arterial hypertrophy indices
  IMT, mm
    LCCA0.79 ± 0.220.80 ± 0.200.784
    RCCA0.73 ± 0.160.75 ± 0.210.421
  CSA, mm2
    LCCA13.54 ± 4.4013.438 ± 4.350.888
    RCCA12.75 ± 3.8312.61 ± 4.170.849
Arteriosclerosis indices
  Augmentation Index, %18.58 ± 13.3117.52 ± 14.160.656
  Pulse wave velocity, m/s, n = 637.64 ± 1.718.03 ± 1.920.232
  Young Module, Pascal, n = 59
    LCCA784.85 ± 309.34780.42 ± 407.330.947
    RCCA852.89 ± 390.33938.26 ± 562,110.398
Strain, n = 58
    LCCA8.12 ± 3.088.56 ± 2.890.417
    RCCA8.13 ± 3.208.30 ± 3.420.785
  • AS: ankylosing spondylitis; CVD: cardiovascular disease; IMT: intima-media thickness; LCCA: left common carotid artery; RCCA: right common carotid artery; CSA: cross-sectional area.