All variables with a p ≤ 0.1 in the univariate analysis were included in a logistic regression model using a forward stepwise approach, and adjusted for nadir CD4+ T-cell count, possession of medical healthcare insurance, on-cART, injection drug use, and having one of the following comorbidities: oral candidiasis, Pneumocystis pneumonia, Cytomegalovirus disease, cryptococcal meningitis, AIDS malignancy, toxoplasma encephalopathy, talaromycosis, non-AIDS malignancy, and kidney disease. The gene discussed is CD4; the disease is pneumocystosis.