Low CD4 count is predictor of TB in patients with HIV.
D018791:CD4 Lymphocyte Count; D015658:HIV Infections / Q000150:complications* / Q000276:immunology; D006801:Humans; D011237:Predictive Value of Tests; D011859:Radiography; D014397:Tuberculosis, Pulmonary / Q000150:complications* / Q000000981:diagnostic imaging* / Q000276:immunology