Cost per DALY averted from a 5-year PrEP scale-up to MSM in Grand Cotonou under our main scenario (overall and stratified by HIV incidence in 2021), alongside a range of adherence (a–b), distribution (c), DALY calculation (d–h), costing (i–k), and calibration (l) sensitivity scenarios (appendix 2 p 32). In all scenarios, model predictions are generated from 1000 posterior parameter sets. Points indicate median values and lines indicate 95% UIs. Dashed line indicates 1 x GDP per capita cost-effectiveness threshold and dotted line indicates 0.29 x GDP per capita cost-effectiveness threshold. Arrows are present for scenarios in which the upper 95% UI exceeded US$10 000 per DALY averted. DALY=disability-adjusted life-year. GDP=gross domestic product. MSM=men who have sex with men. PrEP=pre-exposure prophylaxis. UI=uncertainty interval.
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