CD4 and tuberculosis: The CD4+ T lymphocyte count of HIV-TB co-infected patients increased from 354.45 ± 138 cell/μl to 449.15 ± 131 cell/μl, (p < 0.001), and among the HIV uninfected TB patients, the CD4+ T lymphocyte count increased from 637.15 ± 301 cell/μl to 654.07 ± 303 cell/μl (p < 0.001) (Fig. 1).