Randomized, double-blind, of standard of care vs additional communication and factorial design of intervention letter vs. control letter and EHR vs mail delivery mechanism in patients who canceled visits and did not reschedule over a 90 day period starting March 9, 2020.
Other: Communication type
Control letter vs. intervention letter
Inclusion Criteria:
- Patients with a cancellation or failure to show for a procedure or visit from March 9,
2020 through June 7, 2020 (90 days) and who have not rescheduled as of the date of
randomization
Exclusion Criteria:
- Death
University of Pennsylvania
Philadelphia, Pennsylvania, United States