|
Between groups comparison of the main features of the vasoreactivity curve |
|||
| Features |
Young |
Old |
p value |
|
|
|||
| BASE (mm) |
3.6 ± 0.5 |
4.4 ± 0.7 |
0.002 |
| PRE (mm) |
3.5 ± 0.5 |
4.5 ± 0.6 |
0.001 |
| NIL (mm) |
3.5 ± 0.5 |
4.4 ± 0.6 |
0.001 |
| PEAK (mm) |
3.9 ± 0.5 |
4.5 ± 0.7 |
0.015 |
| Time to NIL (sec) |
10 ± 4 |
14 ± 9 |
0.126 |
| Time to PEAK (sec) |
41 ± 16 |
59 ± 26 |
0.297 |
| Magnitude of Decrease (% Δ) |
2.2 ± 0.8 |
0.4 ± 2.1 |
0.015 |
| BAFMD (% Δ) |
7.7 ± 3.5 |
2.6 ± 1.2 |
0.001 |
| Resting Blood Flow (ml/min) |
131 ± 63 |
232 ± 131 |
0.046 |
| Hyperemic Blood Flow (ml/min) |
396 ± 95 |
495 ± 199 |
0.161 |
| Mean Wall Shear Rate (s-1) |
191 ± 64 |
135 ± 63 |
0.064 |
|
Values are mean ± SD | |||
Dobrosielski et al. Dynamic Medicine 2006 5:4 doi:10.1186/1476-5918-5-4 |
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