Table 1.

HIV case characteristics.

Characteristics
Age (years)	35.6	24–62
Male/female	36/60
Mode of transmission
Sexual contact	41
IV drug user	55
Clinical stage of the disease (CDC)
A1	18
A2	26
A3	2
B1	9
B2	13
B3	7
C1	4
C2	8
C3	8
Antiviral treatment
Yes	39
No	57
HIV RNA viral load >250 copies/ml
yes	57
No	39
HIV RNA load, average copies/ml	39925.9
CD4 cell count/ml	413.9
Long-term nonprogressors	53
Rapid progressors	46