Table 4.

β-Coefficients (slope) of the relationships between changes of brachial artery diameter (FMD as % of baseline value) and shear stress (100% of baseline value) as shown in Figure 1

Subjectsβ and P Baseline vs 38°Cβ and P Baseline vs 41°Cβ and P Baseline vs 44°C
Controls0.026 ± 0.04; <0.0010.017 ± 0.02; <0.0010.020 ± 0.02; <0.001
ESRD-CVD0.025 ± 0.05; <0.050.018 ± 0.03; <0.0010.010 ± 0.01; <0.01
ESRD-CVD+−0.002 ± 0.02; 0.37−0.004 ± 0.01; 0.56−0.005 ± 0.004; <0.05
  • β-coefficient ± SD. At 44°C the slope for ESRD-CVD is significantly lower than that of control subjects (P < 0.01). In ESRD-CVD+ β-coefficient differed significantly from the other groups at each temperature step.