Not all are lost: interrupted laboratory monitoring, early death, and loss to follow-up (LTFU) in a large South African treatment program.
Many HIV treatment programs in resource-limited settings are plagued by high rates of loss to follow-up (LTFU).Most studies have not distinguished between those who briefly interrupt, but return to care, and those more chronically lost to follow-up.We conducted a retrospective cohort study of 11,397 adults initiating antiretroviral therapy (ART) in