Identification of losses to follow-up in a community-based antiretroviral therapy clinic in South Africa using a computerized pharmacy tracking system

Table 1 Outcomes of patients identified iDART pharmacy tracking system using four different delays in pharmacy pick-ups.

Weeks delay of pharmacy pick-ups
	≥6		≥12		≥18		≥24
	N	Proportion (95% CI)	N	Proportion (95% CI)	N	Proportion (95% CI)	N	Proportion (95% CI)
True LTFU	85	15.2 (12.2-18.2)	85	43.8 (36.8-50.9)	53	45.3 (36.1-54.5)	40	50.0 (38.8-61.2)
Deaths	10	1.8 (0.7-2.9)	8	4.1 (1.3-6.9)	7	6.0 (1.6-10.3)	3	3.8 (-0.5-8.0)
Transfers-out	19	3.4 (1.9-4.9)	14	7.2 (3.5-10.9)	5	4.3 (0.6-8.0)	5	6.3 (0.8-11.7)
On treatment	404	72.1 (68.4-75.9)	45	23.2 (17.2-29.2)	29	24.8 (16.8-32.7)	18	22.5 (13.1-31.9)
In clinic off treatment	42	7.5 (5.3-9.7)	42	21.6 (15.8-27.5)	23	19.7 (12.3-27.0)	14	17.5 (9.0-26.0)
Total	560	22.0 (20.4-23.6)	194	7.6 (6.6-8.6)	117	4.6 (3.8-5.4)	80	3.1 (2.5-3.8)

ISSN: 1471-2334