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. 2021 Feb 16;9(4):e489–e551. doi: 10.1016/S2214-109X(20)30488-5

Figure 13.

Graph visualising cost of cataract surgery per disability-adjusted life year averted or quality-adjusted life year gained, as estimated from 11 studies that calculated national or regional cost-effectiveness ratio estimates.

Cost-effectiveness ratios for cataract surgery

Studies reporting either DALYs averted or QALYs gained. Costs have been inflated to 2018 levels and converted to US$ purchasing power parity. Studies which provide only a single estimate are plotted as a diamond. For studies reporting more than one estimation the highest and lowest values are plotted as a range (appendix 1 pp 56–57). Letters shown next to some regions are related to the WHO regional coding labels. References for this figure can be found in appendix 1 (p 101). DALYs=disability-adjusted life-years. ECCE=extracapsular cataract surgery. QALYs=quality-adjusted life-years. SICS=small-incision cataract surgery.