Table 1. Demographic and clinical characteristics.

Characteristics	Subjects (N = 107)
Age, years – Mean ± SD	43.7±8.7
Gender, Men – N (%)	93(86.9%)
Race, White – N (%)	59(55.1%)
AIDS – N (%)	68(63.6%)
ART use – N (%)	84(78.5%)
NC impairment – N (%)	58(54.2%)
Plasma HIV VL undetectable – N (%)	53(49.5%)
CSF HIV VL undetectable – N (%)	79(73.8%)
Current CD4+ T-cell count <200 cells/µL N (%)	22(20.8%)
Subjects taking ART	Subjects (n = 84)
Plasma HIV VL undetectable – N (%)	53(63.1%)
CSF HIV VL undetectable – N (%)	74(88.1%)
Current CD4+ T cell count (cells/µL) – median (IQR)a	396(190–582)
Subjects not taking ART	Subject (n = 23)
Plasma HIV VL (copies/mL) – median (IQR)a	18200(1890–37600)
CSF HIV VL (copies/mL) –median (IQR)a	1670(103.3–5590)
Current CD4+ T cell count (cells/µL) – median (IQR)a	493(328–552)

IQR^a: interquartile range.