Figure 2From: Long term outcomes of antiretroviral therapy in a large HIV/AIDS care clinic in urban South Africa: a prospective cohort studyKaplan-Meier curves of lost to follow-up by CD4 count by time since HAART initiation. Patients were categorized as lost to follow-up if more than three months late for a scheduled visit, and if the tracing team was unable to gain information. Note that the scale of the y-axis starts at 0.75 for readability.Back to article page