Table 2. Treatment stop, LTFU, Mortality, attrition and retention rates by time on ART.

Time On ART (Yrs.)	Patients’ beginning total	person-years	Treatment stop events	Treatment stop Rate/100py	LTFU events	LTFU Rate/100py	Mortality events	Mortality Rate/100py	Attrition events	Attrition Rate/100py	Retention rates (%)
0–.3	3496	791	11	1.4	376	47.5	51	6.5	439	55.4	88.5
.3–.5	3084	745	6	0.8	103	13.9	10	1.4	119	16.0	85.3
.5–1	2963	1414	10	0.7	122	8.6	12	0.8	144	10.2	81.2
1–2	2790	2479	10	0.4	188	7.6	14	0.6	211	8.5	74.4
2–3	2231	1909	6	0.3	187	9.8	15	0.8	207	10.8	67.2
3–4	1651	1352	3	0.2	116	8.6	3	0.2	122	9.0	61.7
4–5	1058	808	1	0.1	81	10	2	0.3	84	10.4	55.9
5–6	526	374	2	0.5	31	8.3	3	0.8	36	9.7	51.2
6–7	205	170	1	0.6	31	18.6	0	0	33	19.2	42.6
> 7	77	47	0	0	8	16.9	0	0	8	16.9	36.4
total		10088	50	0.5	1243	12.3	110	1.1	1403	13.9