Furthermore, serum FAS content was positively correlated with FAS content in femoral artery plaque in patients with severe PAD (\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$${R}^{2}$$\end{document}R2 = 0.22; P =  0.023). This evidence concerns the gene FAS and peripheral arterial disease.