Table 4 Comparisons of mean values (± SD, n=37) of PS and ED shear stresses and BVs according to applications of shear rate specific BV (A), BV at 300 s -1 (B), and hematocrit-derived BV (C)
Shear rate-specific BV (A) | BV at shear rate 300 s-1(B) | Hematocrit-derived BV (C) | p * | |||
|---|---|---|---|---|---|---|
A vs. B | A vs. C | B vs. C | ||||
Shear stress, dyne/cm2 | ||||||
Right CCA | ||||||
PS | 14.0 ± 6.4 | 14.4 ± 7.2 | 14.4 ± 8.2 | 0.047 | 0.605 | 0.753 |
ED | 5.5 ± 3.0 | 4.9 ± 3.1 | 5.0 ± 3.6 | <0.001 | 0.010 | 0.935 |
Left CCA | ||||||
PS | 16.2 ± 5.9 | 17.1 ± 6.8 | 17.1 ± 8.0 | 0.003 | 0.244 | 0.695 |
ED | 7.0 ± 3.7 | 6.6 ± 4.1 | 6.7 ± 4.9 | 0.001 | 0.131 | 0.888 |
Blood viscosity, cP | ||||||
Right CCA | ||||||
PS | 4.1 ± 1.0 | 4.2 ± 0.9 | 4.0 ± 0.7 | 0.268 | 0.364 | 0.153 |
ED | 4.8 ± 1.2 | 4.2 ± 0.9 | 4.0 ± 0.7 | <0.001 | <0.001 | 0. 153 |
Left CCA | ||||||
PS | 4.0 ± 1.0 | 4.2 ± 0.9 | 4.0 ± 0.7 | 0.003 | 0.980 | 0. 153 |
ED | 4.6 ± 1.2 | 4.2 ± 0.9 | 4.0 ± 0.7 | <0.001 | <0.001 | 0. 153 |