CD4 and tuberculosis: TB/HIV coinfected patients with CD4+ T-cell counts greater than or equal to 50 or 200 cells/mm3 were 2.0 to 3.5 times more likely to achieve treatment success (OR = 2.0 95% CI = 1.3–3.1 and OR = 3.5, 95% CI 1.4–8.9, resp).