IL17A and systemic sclerosis: As shown in Fig. 3A, the levels of IL-17A and IL-6 in the plasma were significantly higher in SSc patients with FVC%/DLCO% ratio \documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\ge$$\end{document} 1.6 compared to HCs.