Effect on hospital attendance rates of giving patients a copy of their referral letter: randomised controlled trial

Objectives To investigate whether sending patients a copy of their referral letter can reduce non-attendance at outpatient departments. Design Blinded randomised controlled trial. Setting 13 general practices in Exeter, Devon. Subjects 2078 new consultant referrals from 26 doctors. Main outcome measures Non-attendance at outpatient departments. Results The doctors excluded 117 (5.6%) referrals, and 100 (4.8%) received no appointment Attendance data were available for 1857 of the 1861 patients sent an appointment (99.8%). The receipt of a copy letter had no effect on the non-attendance rate: copy 50/912 (5.5%) versus control 50/945 (5.34%). Conclusion Copy letters are ineffective in reducing non-attendance at outpatient departments.