CD4 and tuberculosis: For HIV-coinfected patients, after adjustment for treatment regimen and year of MDR/RR-TB initiation, and all variables included in the multivariable model, age 55 years or older (versus those 29 years old or younger; aOR 5.89; 95% CI: 1.73–20.05), those with a CD4 count of 100 cells/mm3 or less at MDR/RR-TB initiation (versus those with a CD4 count higher than 500 cells/mm3; aOR 3.77; 95% CI: 1.13–12.58) were more likely to die.