CD8A and tuberculosis: CD8+ T cell counts differed between groups at weeks 24 and 39 (p = 0.017, p = 0.028 respectively, Kruskal Wallis), with TB IRIS group showing greater CD8+ T cell counts than No IRIS and Other IRIS groups at week 24 (p = 0.005, p = 0.023 respectively, Mann Whitney), and greater counts than NO IRIS group at week 39 (p = 0.0054).