The Use of a Decision Board to Elicit Brazilian Patients' and Physicians' Preferences for Treatment: The Case of Lupus Nephritis Academic Article uri icon

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abstract

  • OBJECTIVES: To find preferences for treatment expressed by lupus patients and physicians (who were asked to assume they have lupus) and to explore if certain variables explain these preferences. METHODS: One hundred seventy-two patients and 202 physicians were interviewed using a lupus nephritis decision board that describes the treatment options and their potential benefits and risks. Clinical and sociodemographic variables were collected. Participants were asked to indicate their preferred treatment and provide justification for their choice. Descriptive statistics, t tests, and Pearson's chi-square tests were used to determine the significance of differences in the decisions made by the two groups. A logistic regression model determined which factors contributed to treatment decisions. RESULTS: The average age of study participants was 34 ± 8 years for patients and 31 ± 7 years for physicians. Sixty-eight percent of patients and 96% of physicians (P < 0.001) selected the oral option. Patients and physicians justified their choice of treatment using different arguments (P < 0.001 in each case). Logistic regression showed that risk potential (P < 0.001) and a history of joint involvement (P = 0.011) were the arguments used most often to explain a patient's decision and the risk of side effects was most relevant among physicians (P < 0.001). CONCLUSIONS: Using a decision board, patients and physicians were found to have different preferences for treatment when faced with the same treatment options. Further, the variables that influence their preferences are different.

publication date

  • July 2011

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