CD4 and tuberculosis: In another way round, CD4 values lower than 50 cells/mm3 (HR, 4.64; P = 0.01) and 51–200 cells/mm3 (HR, 4.17; P = 0.008) among the treated DR-TB patients were found as the independent risk factors of mortality compared with those patients with CD4 values >200 cells/mm3 [97].