Change in annual per-patient cost for established adult ART patients associated with changes in individual cost determinants.†

†HIV treatment costs represent economic costs of site-level service delivery in 2010 US dollars, excluding ARVs and national/regional overhead costs. Changes in per-patient costs calculated from a regression of per-patient costs against proximal cost determinants. Each comparison shows the consequence of change in a single determinant, holding all other determinants at their mean values. ‡P-values represent two-sided test for difference from zero, '***'denotes p