CD4 and AIDS: CMVR was more prevalent in AIDS patients with the following characteristics: white and non-Hispanic (60%, 95%CI 55%-64%, I2 = 95%), homosexual (70%, 95%CI 67%-74%, I2 = 93%), HIV RNA load ≥ 400 copies/mL (82%, 95%CI 70%-91%, I2 = 96%), or CD4+ T-cells <50 cells/μL (78%, 95%CI 71%-85%, I2 = 86%).