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Table 2 Baseline diameters (mm), shear rates (s -1), SRauc and normalized FMD in the BA and SFA during the SIT and VIT trial at baseline, 1 hr, 2 hr and 3 hr

From: Differences in brachial and femoral artery responses to prolonged sitting

  Brachial artery (BA) Superficial femoral artery (SFA)
  0 hr 1 hr 2 hr 3 hr 0 hr 1 hr 2 hr 3 hr
Baseline diameters 4.0 ± 0.6 3.9 ± 0.6 4 ± 0.7 3.9 ± 0.4 6.3 ± 0.6 6.3 ± 0.7 6.5 ± 0.6 6.3 ± 0.7
Antegrade SR 23.6 ± 8.7 18.3 ± 8.3 19 ± 9.1 16.7 ± 5.4* 7.1 ± 2.1 5.4 ± 2.5* 5.5 ± 2.3* 6.1 ± 2
Mean SR 16.7 ± 10.4 11.3 ± 7.3 11 ± 9.1 12.9 ± 14.8 4.6 ± 2.1 2.5 ± 3* 2.8 ± 1.5* 3.4 ± 1.5
Retrograde SR 6.7 ± 4.6 6.9 ± 3.4 7.9 ± 3.7 8.1 ± 3.9 2.5 ± 1.1 2.8 ± 1.7 2.7 ± 1.4 2.7 ± 1.2
OSI (a.u) 0.22 ± 0.15 0.28 ± 0.12 0.31 ± 0.09 0.31 ± 0.07* 0.27 ± 0.1 0.36 ± 0.16 0.32 ± 0.08 0.30 ± 0.08
Peak SR 110.4 ± 44.5 107.6 ± 46.6 115.6 ± 58.5 102.9 ± 47.2 50.2 ± 67.3 19.7 ± 13.6 26.8 ± 14 22.2 ± 10.2
SR auc (a.u) 3083.7 ± 1505 3036 ± 1542.9 3039.2 ± 1755.9 2744.8 ± 1603.2 832.7 ± 232.9 449.5 ± 309.9 356.4 ± 221.1 525.3 ± 226.2
FMD:SR auc 0.002 ± 0.001 0.002 ± 0.001 0.002 ± 0.001 0.004 ± 0.004 0.005 ± 0.005 0.128 ± 0.0341 0.003 ± 0.002 0.003 ± 0.002
  1. Note: *indicates significantly (p ≤ 0.05) different from baseline within each artery. Data presented as Mean ± SD.