Table 1. Clinical characteristics of study groups.

Characteristics	HIV-infected patients (n = 76)	Healthy controls (n = 16)
Age [median (IQR)]	32 (28–39.5)	32 (27–47)
Male [n (%)]	58 (76.3%)	10% (62.5%)
CD4+ T cell count at baseline (cells/mm3) median (IQR)	248 (121–297).	N/A
CD8+ T cell count at baseline (cells/mm3) median (IQR)	620 (443–917)	N/A
CD4 to CD8 ratio, median (IQR)	0.32 (0.18–0.46)	N/A
HAART regimens
2 NRTIs+1 NNRTIs [n (%)]	73 (96.1%)	NA
2 NRTIs+1 PIs [n (%)]	3 (3.9%)	NA
Undetectable viral load after 12 months of HAART [n (%)]	72 (94.7%)	NA

IQR, interquartile range; NRTIs, nucleoside reverse transcriptase inhibitors; NNRTIs, non-nucleoside reverse transcriptase inhibitors; PIs, protease inhibitors; N/A, not available; NA, not applicable.