Table 1. Baseline characteristics of HIV-infected persons who registered for pre-ART and ART care between April 2012 and March 2013 in Lilongwe, Malawi.

Characteristics	Pre-ART					ART
	Total	Low-volume load facilities (n = 226)		High-volume load facilities * (n = 1681)		Total	Low-volume load facilities (n = 1107)		High-volume load facilities* (n = 8380)
Gender
Male	809 (42%)	97	43%	712	42%	3162 (34%)	343	34%	2819	34%
Female	1098 (58%)	129	57%	969	58%	6213 (66%)	653	66%	5560	66%
Unknown						22 (<1%)	21	2%	1	<1%
Age
15–24	361 (19%)	27	12%	334	20%	1582 (17%)	117	12%	1465	17%
25–34	865 (45%)	97	43%	768	46%	4189 (45%)	407	43%	3782	45%
35–44	457(24%)	64	29%	393	23%	2426 (26%)	275	29%	2151	26%
≥45	220 (12%)	35	16%	185	11%	1131 (12%)	150	16%	981	12%
Unknown	4 (<1%)	3	1%	1	<1%	69 (<1%)	68	7%	1	<1%
BMI category
<18.5	157 (9%)	17	13%	140	9%	1356 (15%)	129	19%	1227	15%
18.5–24.9	1238 (70%)	95	70%	1143	70%	5689 (64%)	423	62%	5266	64%
≥25.0	367 (21%)	24	18%	343	21%	1819 (21%)	135	20%	1684	21%
Unknown	145 (8%)	90	3%	55	40%	533 (6%)	330	32%	203	2%
CD4 cell count at registration
<350	376 (34%)	17	15%	359	37%	2375 (92%)	242	92%	2133	92%
350–500	363 (33%)	48	42%	315	32%	175 (7%)	11	4%	164	7%
>500	354 (32%)	50	43%	304	31%	32 (1%)	9	3%	23	1%
Unknown	814 (43%)	111	49%	703	42%	6815 (73%)	755	74%	6060	72%
WHO clinical stage
1 or 2	1352 (83%)	101	81%	1251	83%	3927 (50%)	561	59%	3366	48%
3	222 (14%)	23	19%	199	13%	3149 (40%)	302	32%	2847	41%
4	61 (3%)	0	0%	61	4%	828 (10%)	95	10%	733	11%
Unknown	272 (14%)	102	45%	170	10%	1493 (16%)	59	6%	1434	17%

*High-volume load facilities enrolled at least 400 ART patients per year

BMI: body mass index; ART: antiretroviral therapy, unknown category is excluded in the percentage calculations