Table 1. Clinical features of HIV infected patients.

Age (mean)	30
Years since diagnosis (median)	7
Male/female gender	7/4
Risk category
Parenteral drug users	4
Homosexual men	2
Heterosexual contact	4
AIDS	4
Highly active antiretroviral therapy	7
Protease inhibitor	2
Non-nucleoside transcriptase inhibitor	5
Undetectable viral load (< 50 copies/ml)	6
Viral load log* (median, range)	5·2
CD4 cell count/mm3 (median)	408
Co-infection
HCV	5
HBV	0

^*In those with detectable viral load.