Laboratory markers of children 12 months after initiation of antiretroviral therapy, rural KwaZulu-Natal (June 2004–June 2008)
| All ages | Age <18 months | Age 18–59 months | Age ≥60 months | |
|---|---|---|---|---|
| Variable | (N=447) | (N=52) | (N=123) | (N=272) |
| CD4 cell per cent | ||||
| Median (IQR) | 22 (15–28) | 26 (20–30) | 24 (17–30) | 20 (14–27) |
| Missing, n (%) | 137 (30.6%) | 26 (50.0%) | 36 (29.2%) | 77 (28.3%) |
| CD4 cell count | ||||
| Median (IQR) | 519 (347–835) | 1077 (712–1343) | 696 (422–1068) | 471 (15–1591) |
| Missing, n (%) | 132 (29.5%) | 26 (50.0%) | 34 (27.6%) | 74 (27.2%) |
| Log viral load | ||||
| Median (IQR) | 3.3 (2.5–4.2) | 4.7 (3.4–6.2) | 3.1 (2.5–3.7) | 3.3 (2.4–4.1) |
| Missing, n (%) | 254 (56.8%) | 33 (63.5%) | 72 (58.5%) | 149 (54.8%) |
| Haemoglobin | ||||
| Median (IQR) | 11.7 (10.8–12.3) | 10.7 (10.5–11.2) | 11.1 (10.7–12.1) | 11.8 (10.9–12.5) |
| Missing, n (%) | 245 (54.8%) | 41 (97.6%) | 72 (58.5%) | 133 (48.9%) |
| Albumin | ||||
| Median (IQR) | 36 (32–39) | 35 (30–36) | 37 (33–39) | 36 (33–38) |
| Missing, n (%) | 262 (58.6%) | 39 (75.0%) | 67 (54.5%) | 127 (46.7%) |
IQR, interquartile range; WHO, World Health Organization.