Table 1.

Descriptive summary of HIV-infected and HIV-exposed pediatric populationsin USAID-AMPATH clinics^*

	HIV-exposed at enrolment N=10,404	N Events	LTFU Rate per 100 CY	HIV-infected at enrolment N=3106	N Events	LTFU Rate per 100 CY
Sex	n=10,404			n=3106
Male	5125 (49.3%)	247	38.8	1,513 (48.7%)	263	13.7
Female	5279 (50.7%)	297	47.1	1,593 (51.3%)	289	14.4
Age in years*(me- dian, IQR**)	n=10,404 0.25 (0.10,1.14)	-	-	n=3106 5.51 (3.44,8.54)	-	-
≤ Median Age	5426 (52%)	186	311.9	1554 (50%)	267	17.8
> Median Age	5158 (48%0	358	28.7	1552 (50%)	285	9.3
Ever received food supplementation	n=10,404			n=3106
Yes	331 (3.2%)	8	10.4	143 (4.6%)	32	11.1
No	10,073 (96.8%)	536	45.0	2963 (95.4%)	520	14.3
Ever received cART	n=10,404			n=3106
Yes	2150 (20.7%)	52	12.4	1,776 (57.2%)	291	11.3
No	8254 (79.3%)	492	58.0	1330 (42.8%)	261	19.3
CD4% * (median, IQR)	n=1750 19 (12,26)	-	-	n=2321 17 (10,26)	-	-
Severely immune- suppressed *
Yes	880 (50.3%)	11	4.7	1175 (50.6%)	92	8.9
No	870 (49.7%)	26	6.1	1146 (49.4%)	135	5.0
Weight for height Z-score * (median, IQR**)	n=533 −0.58 (−1.71,0.71)			n=2391 −0.76 (−1.66,0.09)
Severely low  (Z≤−3.0)	36 (7%)	6	5.8	160 (7%)	29	10.2
Moderately se-  vere to normal  (Z>−3.0)	497 (93%)	109	13.4	2231 (93%)	374	11.2
CDC Clinical Stage*	n=9753			n= 2,918
A/N	8318 (86.9%)	1715	25.7	1,683(57.7%)	285	12.6
B/C	1255 (13.1%)	337	12.2	1,235 42.3%)	360	13.5
Year of enrolment	n=10,404			n=3106
<2005	766 (7.4%)	581	28.6	316 (10.2%)	172	16.4
2005-2006	3695 (35.5%)	1286	19.7	1084 (34.9%)	359	13.8
≥2007	5943 (57.1%)	827	16.9	1706 (54.9%)	235	13.3
Orphan status at enrolment	n=8354			n=2,559
Orphan	916 (11.0%)	260	17.1	1085 (42.4%)	250	12.8
Non-orphan	7438 (89.0%)	1547	19.3	1,474 (57.6%)	307	15.0
Clinic location	n=10,404			n=3106
Urban	5535 (53.2%)	1608	21.7	1,590 (51.2%)	362	13.4
Rural	4869 (46.8%)	1086	18.0	1,516 (48.8%)	404	15.0

^*Denotes enrolment data

^**IQR=interquartile range