The Use of a Decision Board to Elicit Brazilian Patients' and Physicians' Preferences for Treatment- The Case of Lupus Nephritis

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).

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.

Authors

Mirhelen Mendes de Abreu Amiran Gafni Marcos Bosi Ferraz

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