Characteristics at the time of transfer for both ART-naïve and ART non-naive patients from a community-based ART service in Gugulethu, Cape Town between September 2002 and December 2009.

<p>All analyses restricted to patients that transferred out with at least 1 year of follow-up on ART at this service. This was done to allow sufficient time for virological suppression as well as for blood samples to be drawn at most 3 times for CD and VL measurements.</p>*<p>CD4 cell count data at the time of transfer were available for 329 ART naïve and 45 ART non naïve patients.</p>†<p>Viral load data at the time of transfer were available for 329 ART naïve and 45 ART non-naïve patients.