Table 4.

Multivariate correlation report for global reflection coefficient

Parametert ValueP ValueAdjusted Partial R2
Whole modela
 ESRD (1, yes; 0, no)−2.3410.020.017
 Aortic PWV (m/s)−7.013<0.0010.150
 Brachial PWV(m/s)3.665<0.010.033
 Ascending aortic diameter (cm)3.457<0.010.037
 Aortic bifurcation diameter (cm)−3.149<0.010.030
 Age (yr)0.492NS
Stiffness gradient and taperb
 ESRD (0, no; 1, yes)−2.955<0.010.028
 Brachial/aortic stiffness gradient7.142<0.0010.164
 Aortic taper (ratio)4.308<0.0010.059
 Age (yr)−1.072NS
  • a R2=0.414; P<0.001.

  • b R2=0.378; P<0.001.