Journal
VALUE IN HEALTH
Volume 20, Issue 8, Pages 1048-1057Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jval.2017.04.009
Keywords
breast cancer; cost-effectiveness analysis; mass screening; micro simulation
Funding
- Main Association of Social Security Institutions
- Compentence Centers for Excellent Technologies (COMET) Center ONCOTYROL - Austrian Federal Ministries BMVIT/BMWFJ (via Osterreichische Forschungsforderungsgesellschaft (FFG))
- Centers for Excellent Technologies (COMET) Center ONCOTYROL - Tiroler Zukunftsstiftung/Standortagentur Tirol (SAT)
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Background: In 2014, Austrian health authorities implemented an organized breast cancer screening program. Until then, there has been a long-standing tradition of opportunistic screening. Objectives: To evaluate the cost-effectiveness of organized screening compared with opportunistic screening, as well as to identify factors influencing the clinical and economic outcomes. Methods: We developed and validated an individual-level state-transition model and assessed the health outcomes and costs of organized and opportunistic screening for 40-year-old asymptomatic women. The base-case analysis compared a scenario involving organized biennial screening with a scenario reflecting opportunistic screening practice for an average risk woman aged 45 to 69 years. We applied an annual discount rate of 3% and estimated the incremental cost-effectiveness ratio in terms of the cost (2012 euros) per life-year gained (LYG) from a health care perspective. Deterministic and probabilistic sensitivity analyses were performed to assess uncertainty. Results: Compared with opportunistic screening, an organized program yielded on average additional 0.0118 undiscounted life-years (i.e., 4.3 days) and cost savings of (sic)41 per woman. In the base-case analysis, the incremental cost-effectiveness ratio of organized screening was approximately (sic)20,000 per LYG compared with no screening. Assuming a willingness-to-pay threshold of (sic)50,000 per LYG, there was a 70% probability that organized screening would be considered cost-effective. The attendance rate, but not the test accuracy of mammography, was an influential factor for the cost-effectiveness. Conclusions: The decision to adopt organized screening is likely an efficient use of limited health care resources in Austria.
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