CD4 and tuberculosis: Additionally, when analyzing the Th17-axis, we observed a significant increase in CD4+IL-17+ and CD4+RORγT+ cells in stimulated cultures from TB-treated patients compared with TST+ controls (P = 0.02 and P = 0.002, resp., Kruskal-Wallis test followed by Dunn's post hoc test), Figures 2(k) and 2(l).