Table 5 Changes in HIV-2 plasma viral load and CD4 percentage over time.
| Â | 1991 (N = 133) | 1996 (N = 97) | 2003 (N = 47) | 2006 (N = 31) |
|---|---|---|---|---|
Plasma viral load, copies ml | Â | Â | Â | |
   Median (IQR)a | 348 (50, 4,300) | 150 (50, 1,554) | 203 (50, 2,837) | 171 (50, 497) |
   Median change (IQR)b | N/A | 0 (-140, 825) | 0 (0, 1,534) | 0 (-2, 373) |
   Category, number (%) |  |  |  |  |
<100 | 48 (36) | 33 (42) | 20 (43) | 13 (42) |
100-9,999 | 60 (45) | 32 (41) | 19(40) | 16 (52) |
≥ 10,000 | 22 (17) | 12 (15) | 8 (17) | 2 (6) |
Not tested | 3 (2) | 1 (1) | 0 (0) | 0 (0) |
CD4+ (% of lymphocytes) | Â | Â | Â | |
   Median (IQR)c | 29 (22, 35) | 32 (26, 38) | 32 (26, 37) | 33 (27, 43) |
   Median change (IQR)d | N/A | 3 (-4, 8) | 3 (-1, 8) | 5 (-2, 9) |
   Category |  |  |  |  |
≥ 28% | 70 (53) | 48 (61) | 28 (60) | 22 (71) |
<28% | 55 (41) | 25 (32) | 16 (34) | 9 (29) |
Not tested | 8 (6) | 5 (6) | 3 (6) | 0 (0) |