Table 3.

Immunologic response to antiretroviral therapy among HIV-1-infected children

Increase in CD4% from baseline following initiation of ART in all children (n = 65)
Duration of follow-up (months)	Number of childrena	Median CD4% (IQR)	Median CD4% increase from baseline (IQR)	Pb
6	42	23.3% (18.0 – 28.5)	11% (4 – 15)	< 0.001
12	37	27% (20 – 34)	15% (7 – 20)	< 0.001
18	30	27.5% (16 – 36)	17% (6 – 22)	< 0.001
24	25	29% (21 – 38)	18.5% (5 – 22)	0.0001
30	19	32% (19 – 38)	15% (9 – 24)	0.0001
36	12	30.3% (22.5 – 39.5)	18.5% (10.8 – 24.5)	0.002

^a Number of children tested at corresponding length of follow-up. Attrition in numbers is attributable to lack of data, loss to follow-up or death.

^b Wilcoxon signed ranks test.