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Abstract

Objective: Shared decision-making, including the elicitation of patient preferences regarding treatment decisions, is considered part of high-quality cancer care. However, patients may not be able to self-report due to illness, and therefore proxy reports may be used. We sought to determine the difference between proxy and patient reports about patient decisions and preferences among patients who received or were scheduled for chemotherapy using data from a large, population-based survey of patients with incident lung or colorectal cancer. Methods: Of 3,573 patients who received or were scheduled for chemotherapy, 3,108 self-reported and 465 had proxies reporting on their behalf about preferred and actual decision roles regarding this treatment. Preferred and actual decision roles were assessed using the Control Preferences Scale, and categorized as shared, patient-controlled, or doctor-controlled. Multivariable logistic regression models were used to assess the association between patient and proxy responses and whether preferences were met. The models adjusted for sociodemographic and clinical variables and patient/proxy-reported health status. Results: Sixty-three percent of all respondents reported actual roles in decisions that matched their preferred roles (role attainment). Proxies and patients were similarly likely to report role attainment (65% vs 63%). In adjusted analyses, proxies were more likely report role attainment (OR=1.27, 95%CI=1.02-1.59), but this difference was smaller if health variables were excluded from the model (OR=1.14, 95%CI=0.92-1.41). Conclusion: Most patients' preferences for treatment participation were met. Surveys from proxies appear to yield small differences on the reports of attainment of preferred treatment decision-making roles in cancer care versus surveys from patients.

Item Type:	Article
Authors/Creators:	Roydhouse, JK and Gutman, R and Wilson, IB and Kehl, KL and Keating, NL
Keywords:	survey, proxy-reported, cancer, oncology, patient experience, proxy, psycho-oncology, shared decision-making, treatment preference
Journal or Publication Title:	Psycho-Oncology
Publisher:	John Wiley & Sons Ltd
ISSN:	1057-9249
DOI / ID Number:	10.1002/pon.5528
Copyright Information:	Copyright 2020 John Wiley & Sons Ltd. This is the peer reviewed version of the following article, which has been published in final form at http://dx.doi.org/10.1002/pon.5528. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
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