Cost-effectiveness of the BRECONDA decision aid for women with breast cancer: Results from a randomized controlled trial

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Journal Article
Psycho-Oncology, 2018, 27 (6), pp. 1589 - 1596
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Copyright © 2018 John Wiley & Sons, Ltd. Objective: To report on the cost-effectiveness of BRECONDA (Breast RECONstruction Decision Aid), a web-based decision aid to facilitate decisions regarding breast reconstruction surgery, with usual care for women with breast cancer. Methods: The economic evaluation was conducted alongside a randomized controlled trial. Women diagnosed with breast cancer or ductal carcinoma in situ and eligible for breast reconstruction following mastectomy were randomized to access BRECONDA for 6 months + usual care (n = 106) or usual care (n = 116) and were assessed at baseline preintervention, and then 1-month and 6-months post-randomization. Decisional conflict, satisfaction with information, decisional regret, and utilities were assessed by using maximum-likelihood linear mixed effects models. Costs included the fixed costs of BRECONDA, health care provider time, and health care resource use. Nonparametric bootstrapping was used to estimate incremental cost-effectiveness ratios. Results: BRECONDA resulted in significantly less decisional conflict and greater satisfaction with information over time. Quality-adjusted life years did not differ between participants who received the decision aid compared with usual care. The cost of BRECONDA was estimated to be small (AUD$10) relative to other health care interventions and resulted in decreased health care costs overall (AUD$764). Based on the point estimates, the decision aid was more effective and less costly (dominant) for all measures of effectiveness. It was estimated that the decision aid has an 87% probability of being cost-effective at $60 000 per quality-adjusted life year gained. Conclusions: The BRECONDA web-based intervention designed to facilitate decisions regarding breast reconstruction surgery is likely to be cost-effective compared with usual care for women with breast cancer.
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