Skip to main content

Table 2 Between groups comparison of the main features of the vasoreactivity curve

From: Biphasic responses of the brachial artery diameter following forearm occlusion: a blunted response in the elderly

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
  1. Values are mean ± SD