Table 3.

Arterial wall properties according to tertiles of eGFRa

ParametereGFR (ml/min per 1.73 m2) (N = 767)P (Trend)
≥64(n = 255)56 to 64(n = 256)<56(n = 256)
CCA
    diameter (mm)7.9 ± 1.17.9 ± 1.18.1 ± 1.00.01
    distension (μm)355 ± 112350 ± 114338 ± 1020.10
    PP (mmHg)61 ± 1562 ± 1565 ± 190.005
    IMT (mm)0.85 ± 0.170.84 ± 0.160.89 ± 0.170.01
    distensibility coefficient (10−3/kPa)12.4 ± 4.711.7 ± 4.210.7 ± 4.3<0.001
    compliance coefficient (mm2/kPa)0.58 ± 0.240.56 ± 0.240.54 ± 0.210.06
    Einc (kPa)0.91 ± 0.470.97 ± 0.561.02 ± 0.470.02
BA
    diameter (mm)4.5 ± 0.74.6 ± 0.84.8 ± 0.7<0.001
    distension (μm)144 ± 66136 ± 61151 ± 710.42
    PP (mmHg)64 ± 1565 ± 1468 ± 160.01
    distensibility coefficient (10−3/kPa)8.2 ± 4.67.1 ± 3.47.4 ± 3.80.04
    compliance coefficient (mm2/kPa)0.13 ± 0.070.12 ± 0.070.13 ± 0.070.70
    flow-mediated dilation (%)3.62 ± 3.994.18 ± 4.173.66 ± 3.360.86
FA
    diameter (mm)9.9 ± 1.710.0 ± 1.610.3 ± 1.70.004
    distension (μm)200 ± 74205 ± 72210 ± 770.19
    PP (mmHg)68 ± 1771 ± 1774 ± 190.001
    distensibility coefficient (10−3/kPa)5.0 ± 2.54.6 ± 1.84.5 ± 2.10.03
    compliance coefficient (mm2/kPa)0.37 ± 0.210.35 ± 0.160.37 ± 0.190.95
Central artery stiffness
    CFTT (ms)53 ± 1555 ± 1555 ± 200.35
    augmentation index (%)33 ± 933 ± 932 ± 80.15
    total systemic arterial compliance (SV/aortic PP; ml/mmHg)1.03 ± 0.361.04 ± 0.321.01 ± 0.340.59
  • a Data means ± SD. Carotid-femoral transit time (CFTT) is shown unadjusted for height. BA, brachial artery; CCA, carotid artery; Einc, Young’s elastic modulus; FA, femoral artery; IMT, intima-media thickness SV/aortic PP, stroke volume/aortic pulse pressure.