Model input parameters for an analysis of LTFU from HIV programs in Abidjan, C?te d'Ivoire.

aLTFU, patients whose last contact with the care center was at least 3 mo prior and who were not known to be dead or transferred to another care center. Those who were lost to follow-up are assumed to re-enter care upon the occurrence of any Stage 3�C4 OI.bFirst-line ART, non-nucleoside reverse transcriptase inhibitor-based regimen; second-line ART, PI-based regimen. Efficacies are those reported for the ��on treatment�� group.cPatients who have achieved virologic suppression at 24 wk have a continuing risk of later virologic failure.dCost does not include monthly co-payment of approximately US$2.