Benefits, Harms, and Cost-Effectiveness of Supplemental Ultrasonography Screening for Women With Dense Breasts
- 3 February 2015
- journal article
- Published by American College of Physicians in Annals of Internal Medicine
- Vol. 162 (3), 157-166
- https://doi.org/10.7326/m14-0692
Abstract
Many states have laws requiring mammography facilities to tell women with dense breasts and negative results on screening mammography to discuss supplemental screening tests with their providers. The most readily available supplemental screening method is ultrasonography, but little is known about its effectiveness. To evaluate the benefits, harms, and cost-effectiveness of supplemental ultrasonography screening for women with dense breasts. Comparative modeling with 3 validated simulation models. Surveillance, Epidemiology, and End Results Program; Breast Cancer Surveillance Consortium; and medical literature. Contemporary cohort of women eligible for routine screening. Lifetime. Payer. Supplemental ultrasonography screening for women with dense breasts after a negative screening mammography result. Breast cancer deaths averted, quality-adjusted life-years (QALYs) gained, biopsies recommended after a false-positive ultrasonography result, and costs. Supplemental ultrasonography screening after a negative mammography result for women aged 50 to 74 years with heterogeneously or extremely dense breasts averted 0.36 additional breast cancer deaths (range across models, 0.14 to 0.75), gained 1.7 QALYs (range, 0.9 to 4.7), and resulted in 354 biopsy recommendations after a false-positive ultrasonography result (range, 345 to 421) per 1000 women with dense breasts compared with biennial screening by mammography alone. The cost-effectiveness ratio was $325 000 per QALY gained (range, $112 000 to $766 000). Supplemental ultrasonography screening for only women with extremely dense breasts cost $246 000 per QALY gained (range, $74 000 to $535 000). The conclusions were not sensitive to ultrasonography performance characteristics, screening frequency, or starting age. Provider costs for coordinating supplemental ultrasonography were not considered. Supplemental ultrasonography screening for women with dense breasts would substantially increase costs while producing relatively small benefits. National Cancer Institute.Keywords
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