CRP and COVID-19: Regarding CRP, there was no significant difference between the groups with and without post-COVID-19 symptoms (\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{upgreek}\usepackage{mathrsfs}\setlength{\oddsidemargin}{-69pt}\begin{document}$t$\end{document}t-statistic: 1.09, p = 0.28).