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. Author manuscript; available in PMC: 2014 Jan 22.
Published in final edited form as: J Am Coll Cardiol. 2012 Nov 7;61(3):335–343. doi: 10.1016/j.jacc.2012.09.010

Table 4.

Hemodynamic Factors

Hemodynamic Factors LS NS P-Value
Brachial artery FMD (mm Δ) 0.23±0.07 0.15±0.07 <0.001
Baseline brachial artery diameter (mm) 3.89±0.56 4.07±0.44 0.31
Peak shear rate (sec−1) 391±104 378±118 0.50
Brachial artery dilation to NTG (% Δ) 24.0±4.5 23.4±2.3 0.54
Brachial artery dilation to NTG (mm Δ) 0.91±0.14 0.91±0.15 0.82
AUC of %Δ FBFACh vs. saline 1768±1002 1213±890 <0.05
AUC of %Δ FVCACh vs. saline 1811±1006 1220±873 <0.05
AUC of %Δ FBFSNP vs. saline 1035±377 995±635 0.93
AUC of %Δ FVCSNP vs. saline 1040±465 1000±655 0.93

Data are mean ± S.D. FMD, flow-mediated dilation; NTG, nitroglycerin; AUC, area under the curve; FBFACh, forearm blood flow to acetylcholine; FVC, forearm vascular conductance; SNP, sodium nitroprusside.