Figure 2
From: k trans as a quantitative indicator of calf muscle perfusion at peak exercise
Representative GRE images at peak intensity of NL (A) and PAD (B) volunteers. Pixel maps illustrate the differences in k trans values between NL (C) and PAD (D). Box plot shows the k trans distribution (E). Note the lack of correlation between exercise time and k trans . GRE = gradient echo; NL = healthy volunteers; PAD = peripheral arterial disease patients; ρ = Spearman's correlation.