Table 2. Nutritional status of the children at the time of ART initiation and during the data collection time, Sep 2013, Addis Ababa (n = 202).

Anthropometric index	Pre-ART Mean(95%CI)	At any follow up (6–53 months) Mean(95%CI)	Difference Mean(95% CI)	T	p-value
Weight for age Z Score	-1.77(-2.03 to -1.53)	-1.01(-1.18 to -0.84)	0.77(0.51 to 1.03)	5.802	< 0.0001
Height for age Z Score	-2.97(-3.22 to -2.73)	-2.55(-2.71 to -2.38)	0.427(0.19 to 0.66)	3.603	0.0004
Weight for height Z Score	-0.10(-0.43 to 0.23)	0.71(0.50 to 0.92)	0.81(0.47 to 1.15)	4.704	<0.0001
CD4 percentage	19.78(16.23 to 23.34)	26.99(25.66 to 28.32)	10.95(6.14 to 15.76)	-4.357	<0.0001