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AJR Am J Roentgenol. 2016 Nov;207(5):1152-1155. Epub 2016 Aug 22.

Cost-Effectiveness of Tomosynthesis in Annual Screening Mammography.

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1
1 Department of Diagnostic Radiology, Yale School of Medicine, Box 208042, Tompkins East 2, 333 Cedar St, New Haven, CT 06520-8042.

Abstract

OBJECTIVE:

The purpose of this study was to evaluate the cost-effectiveness of the addition of annual screening tomosynthesis to 2D digital mammography alone for women beginning at 40 years old and to determine differences for age decade subgroups.

MATERIALS AND METHODS:

Decision-tree analysis comparing annual tomosynthesis versus 2D mammography alone from a federal payer perspective and lifetime horizon was created from published multiinstitutional data, published institutional data, literature values, and Medicare reimbursement rates. Cost-effectiveness was calculated through incremental cost-effectiveness ratios and net monetary benefit calculations. Sensitivity analyses were performed to determine the implication of different variables including changes in recall rate and disutility for false-positives.

RESULTS:

Base-case analysis showed an incremental cost per quality-adjusted life year gained for tomosynthesis over 2D alone for all ages (≥ 40 years old) of $20,230, 40- to 49-year-old subgroup of $20,976, 50- to 59-year-old subgroup of $49,725, 60- to 69-year-old subgroup of $44,641, and ≥ 70-year-old subgroup of $82,500. Net monetary benefit per decade in the 40- to 49-year-old subgroup was $1,598, 50- to 59-year-old subgroup of $546, 60- to 69-year-old subgroup of $535, and ≥ 70-year-old subgroup of $501. Tomosynthesis was the better strategy in 63.2% of the iterations according to probabilistic sensitivity analysis.

CONCLUSION:

Addition of annual screening tomosynthesis to 2D mammography beginning at the age of 40 years was cost-effective compared with 2D mammography alone in our analysis. Three times greater net monetary benefits were found in women 40-49 years old compared with those 50-59 years old.

KEYWORDS:

cost-effectiveness; mammography; screening; tomosynthesis

PMID:
27547861
DOI:
10.2214/AJR.15.14487
[Indexed for MEDLINE]
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