Establishing patient preferences for gastroenterology clinic reorganization using conjoint analysis

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Abstract
The Department of Health states that patients with suspected cancer should be seen within 2 weeks, and the Patients’ Charter suggests that patients should not wait for more than 30 min in outpatients. Decisions such as these are often made with little assessment of patient preferences. We have elicited patient preferences for the optimal use of time in the outpatient clinic. Questionnaire survey eliciting preference between different clinic scenarios evaluated using discrete choice conjoint analysis. Patients attending a teaching hospital gastroenterology outpatient clinic. The relative importance of time spent on the waiting list, time waiting in the clinic, time spent with the specialist, and time waiting for investigation was assessed using a logit model. Patients placed a similar value on waiting for investigation and time spent on the waiting list. A clinic that had a 2-month waiting list but offered immediate investigations would therefore be more popular than a clinic that had a 2-week waiting list but whose investigations were deferred for 3 months. Patients would be prepared to spend an extra 30 min in the waiting room if they spent 1 month less on the waiting list or waiting for investigation. Time spent with a specialist is valued, and patients would be prepared to spend an extra 3 min waiting in the clinic for every extra minute spent with the doctor. The present Department of Health recommendations and the Patients’ Charter are too simplistic and do not take into account patient preferences.