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Cost-effectiveness

In economics, comparison of the relative expenditure (costs) and outcomes (effects) associated with two or more courses of action. Cost-effectiveness is typically expressed as an incremental cost-effectiveness ratio ( ICER) the ratio of change in costs : change in effects. In health economics a figure of US$50000 per quality-adjusted life year ( QALY ) is often suggested as the upper limit of an acceptable ICER. There is lively discussion amongst Health Economists as to the meaning and usefulness of such a figure.



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