TABLE 5.
Clinical markers in the WIHS
| HIV-positive cohort characteristic | Percentage showing characteristic in:
|
||
|---|---|---|---|
| 1994-1995 cohort at baseline (n = 2,059) | 2001-2002 cohort at baseline (n = 738) | Combined cohort in 2002 (n = 1920) | |
| Viral load (copies)a | |||
| >4,000 | 72.2 | 34.1 | 34.8 |
| 2,001-4,000 | 17.8 | 6.1 | 6.6 |
| 80-2,000 | 7.7 | 22.9 | 22.3 |
| <80 | 2.3 | 36.9 | 36.3 |
| Not available | 2.5 | 2.3 | 5.3 |
| CD4 count | |||
| <50 | 12.4 | 1.9 | 3.6 |
| 50-199 | 17.5 | 8.0 | 11.9 |
| 200-349 | 23.5 | 18.0 | 22.4 |
| ≥350 | 46.6 | 72.1 | 62.1 |
| Not available | 3.6 | 1.9 | 6.5 |
| HAART use | 0.2 | 65.6 | 76.4 |
| AIDSb | 33.6 | 3.3 | 36.3 |
a
1994 and 1995 viral loads originally tested with a lower limit of 4,000 copies and retested with a lower limit of 80 copies with stored samples for 17% of the study cohort.
b
History of AIDS-defining illness; excludes AIDS diagnosed by CD4 count alone.