the ratio of change in costs to the change in effects. A complete compilation of cost-utility analyses in the peer-reviewed medical and public health literature is available from the Cost-Effectiveness Analysis Registry website.

A 1995 study of the cost-effectiveness of reviewed over 500 life-saving interventions found that the median cost-effectiveness was $42,000 per life-year saved. A 2006 systematic review found that industry-funded studies often concluded with cost-effective ratios below $20,000 per QALY and low quality studies and