BMJ open · 2026
Cost-effectiveness of differentiated HIV service delivery in North Wollo, Ethiopia: a retrospective study.
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Tarekegn Tenaw Baye, Demelash Teshome Bitew
Аннотация
BACKGROUND: Differentiated service delivery (DSD) models have been introduced to optimise HIV care by tailoring services to patient needs, but evidence on their cost-effectiveness in Ethiopia is limited.
OBJECTIVE: To evaluate the cost-effectiveness of DSD models for HIV care compared with standard of care (SOC) in North Wollo, Ethiopia.
STUDY DESIGN: Retrospective economic evaluation using bottom-up microcosting from a healthcare provider perspective.
SETTING: One hospital and three health centres in North Wollo Zone, Ethiopia, from January 2024 to December 2024.
PARTICIPANTS: 786 adults (≥18 years) on antiretroviral therapy, including 393 receiving DSD (across nine models: 6-month multimonth dispensing, 3-month multimonth dispensing, appointment spacing, community antiretroviral therapy (ART) groups (CAG), FastTrack, maternal and child health, peer-led, adolescent groups and key population models) and 393 receiving SOC.
MAIN OUTCOME MEASURES: Total annual cost per patient (USD), retention in care at 12 months (%) and incremental cost-effectiveness ratios (ICERs) expressed as cost per additional patient retained.
STATISTICAL ANALYSIS: Costs were annualised at a 3% discount rate. ICERs were calculated comparing each DSD model to SOC. Deterministic one-way sensitivity analysis (±20% for medication cost and retention rate) assessed robustness.
RESULTS: SOC had the highest annual cost per patient (US$295) and lowest retention (76.6%). All DSD models were dominant (lower cost, higher retention) with negative ICERs. CAG was the most cost-effective (US$199 per patient; 93.0% retention; ICER -5.85), followed by FastTrack (US$212; 92.9%; -5.09) and adolescent groups (US$238; 90.5%; -4.10). Sensitivity analyses confirmed robustness; no scenario reversed dominance.
CONCLUSION: DSD models, particularly CAG, FastTrack and adolescent groups, provide more cost-effective HIV care than SOC in Ethiopia by achieving higher retention at lower costs. Scaling up these models could optimise resource allocation and reduce health system burden.
OBJECTIVE: To evaluate the cost-effectiveness of DSD models for HIV care compared with standard of care (SOC) in North Wollo, Ethiopia.
STUDY DESIGN: Retrospective economic evaluation using bottom-up microcosting from a healthcare provider perspective.
SETTING: One hospital and three health centres in North Wollo Zone, Ethiopia, from January 2024 to December 2024.
PARTICIPANTS: 786 adults (≥18 years) on antiretroviral therapy, including 393 receiving DSD (across nine models: 6-month multimonth dispensing, 3-month multimonth dispensing, appointment spacing, community antiretroviral therapy (ART) groups (CAG), FastTrack, maternal and child health, peer-led, adolescent groups and key population models) and 393 receiving SOC.
MAIN OUTCOME MEASURES: Total annual cost per patient (USD), retention in care at 12 months (%) and incremental cost-effectiveness ratios (ICERs) expressed as cost per additional patient retained.
STATISTICAL ANALYSIS: Costs were annualised at a 3% discount rate. ICERs were calculated comparing each DSD model to SOC. Deterministic one-way sensitivity analysis (±20% for medication cost and retention rate) assessed robustness.
RESULTS: SOC had the highest annual cost per patient (US$295) and lowest retention (76.6%). All DSD models were dominant (lower cost, higher retention) with negative ICERs. CAG was the most cost-effective (US$199 per patient; 93.0% retention; ICER -5.85), followed by FastTrack (US$212; 92.9%; -5.09) and adolescent groups (US$238; 90.5%; -4.10). Sensitivity analyses confirmed robustness; no scenario reversed dominance.
CONCLUSION: DSD models, particularly CAG, FastTrack and adolescent groups, provide more cost-effective HIV care than SOC in Ethiopia by achieving higher retention at lower costs. Scaling up these models could optimise resource allocation and reduce health system burden.