Patient Perceptions of a Decision Support Tool for Men with Localized Prostate Cancer.

We explored perceptions of a decision aid with education about localized prostate cancer treatment and preference elicitation using adaptive conjoint analysis.Patients found the tool useful but were also confused by it, tried to discern the intent of the questions, and expressed negative emotional reactions.In particular, there was a disconnect between patients' negative reactions while using the tool and general satisfaction with the final values profile generated by the tool, which is an area for future research.