Characteristics as median, and minimum and maximum in parenthesis, according to the two groups defined by using the threshold of serum total T of 300 ng/dL for establishing T deficiency (the nonparametric Mann-Whitney test was used for comparisons).

Number of patients (n) and relative percentages (%) are reported in Italics, n.v.: normal values, E2: estradiol, BMD: bone mineral density, FI: fusion inhibitors, PI: protease inhibitors, NNRTI: non-nucleoside reverse transcriptase inhibitors, NRTI: nucleoside reverse transcriptase inhibitors.