Table 4.

Comparisons of characteristics of the HIV-infected children admitted to Chris Hani Baragwanath Hospital in 3 surveillance studies; 2005, 2007 and 2010–11

	Children admitted 18 April–15 May 2005 (n=182)	Children admitted 1 Oct–31 Dec 2007 (n=440)	Children admitted 1 Aug 2010–31 Jan 2011 (n=73)	p-value * 2005 vs. 2007	p-value * 2007 vs. 2010–11
Gender female (%)	89 (48.9)	206 (46.8)	27 (37.0)	>0.10	>0.10
Median age (months; IQR)	9.13 (3.6 – 28.8)	10.0 (3.0 – 44.5)	18.0 (6.2 – 69.8)	>0.10	0.048
< 6months (%)	73 (40.1)	166 (37.7)	18 (24.7)	0.578	0.031
6 – <24 months (%)	54 (29.7)	116 (26.4)	25 (34.3)	0.400	0.162
24 – <60 months (%)	26 (14.3)	60 (13.6)	10 (13.7)	0.831	0.989
>60 months (%)	29 (15.9)	98 (22.3)	20 (27.4)	0.074	0.335
Median WAZ-score (IQR)*	−3.08 (−4.40 to −1.77;n=173)	−3.05 (−4.15 to −1.68; n=402)	−3.48 (−4.38 to −1.56; n=67)	>0.10	>0.10
Median CD4% (IQR)	0.0 (0.0 – 9.4)	15.0 (8.2 – 22.8)	18.7 (9.6 – 24.7)	<0.0001	>0.10
Number started ART at current visit (%)	Not available	15/364 (4.1)	11/47 (23)		<0.001
Number already on ART (%)	22/182 (12.1)	76 (17.3)	26 (35.6)	>0.1	0.0003

^*Refers to children <10 years

^*Categorical variables compared using Chi-squared tests and continuous variables using Wilcoxon test.