CD4 and HIV infectious disease: The sample included 212 participants with a mean±SD age 40.9±9.14 years, female17.9%, black40.6%, non-Hispanic white 47.6%,Hispanic 8.96%, other race/ethnicity 2.83%, non-Hispanic white 47.6%, median (IQR) duration of HIV infection 7.3 (2.58, 12.8) years, current CD4 411 (259, 579), nadir CD4199 (57, 326), plasma HIV RNA suppressed (<50 copies/mL) in32.7%, CSF HIV RNA suppressed in62.3%.