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Number of patients, mean age of patients, and median CD4 count according to CDC classification
| CDC classification | No. of patients | Mean (range) age (yr) | Median CD4 count (no. of cells/mm3) |
|---|---|---|---|
| N | 1 | 11.5 | 744 |
| A | 3 | 6.0 (2.5–6.0) | 300 |
| B | 2 | 2.7 (0.6–4.10) | 654 |
| C | 9 | 5.0 (1.4–13.3) | 280 |
