CD4 and tuberculosis: There were also no significant between‐group differences observed in the following HIV‐related factors: prior TB (48 vs. 41%; P = 0.36), undetectable HIV viral load (72 vs. 70%; P = 0.77), and mean (SD) CD4 + count [689 (298) vs. 641 (196) cells/μL; P = 0.30].