With regards to HIV disease characteristics, PWH with greater visits had a higher prevalence of AIDS (74.0% vs. 34.5%, \documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$${\chi }^{2}$$\end{document}χ2 = 13.89, p < 0.001) and lower nadir CD4 counts (Median = 120 vs. 280, Z = 2.32, p = 0.021) than PWH with fewer visits. This evidence concerns the gene CD4 and AIDS.