IL6 and endothelial dysfunction: Thereby, HCV-monoinfected patients showed a significant association of plasma biomarkers of the inflammatory response (IL-8, IL-6, and OPG) and endothelial dysfunction (sVCAM-1, sICAM-1, and sTNF-R1) with CTP score; while HIV/HCV-coinfected patients showed only a significant association of IL-6 and sICAM-1 with CTP score.