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Cost-effectiveness acceptability curves (CEACs) for (A) DALYs and (B) QALYs. CEACs show the probability that an intervention is cost-effective compared to no intervention, for a range of willingness-to-pay thresholds. The CEACs compare the probability of achieving cost-effectiveness for each intervention across various willingness-to-pay thresholds. The x-axis represents the willingness-to-pay threshold, which is the maximum amount a decision-maker is willing to pay for a unit of health outcome (DALY averted or QALY gained). The y-axis represents the probability that the intervention is cost-effective at that willingness-to-pay threshold. DALYs=disability-adjusted life years. QALYs=quality-adjusted life years.

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