Table 1.
Initial and folow up interval acording to the initial WHO Clinical survey
| WHO clinical stage at baseline |
Median | Range |
| Baseline CD4 (cells/µl) | ||
| Stage 1(n=210) | 413 | 23–1254 |
| Stage 2 (n=830) | 347 | 10–1848 |
| Not specified (n=73) | 397 | 70–1264 |
| All (n=1113) | 360 | 10–1848 |
| Follow-up CD4 (cells/µl) | ||
| Stage 1(n=22) | 394 | 214–691 |
| Stage 2 (n=89) | 364 | 28–1471 |
| Not specified (n=28) | 362 | 123–1204 |
| All(n=139) | 364 | 28–1471 |
| Interval between baseline CD4 and most recent CD4 (months) | ||
| Stage 1(n=22) | 12.0 | 3.0–15.5 |
| Stage2(n=89) | 13.8 | 1.4–28.7 |
| Not specified (n=28) | 11.3 | 3.6–17.8 |
| All(n=139) | 13.0 | 1.4–28.7 |