Response rate of patient reported outcomes: the delivery method matters.
Olaf M NevePeter Paul G van BenthemAnne M StiggelboutErik F HensenPublished in: BMC medical research methodology (2021)
The response rate for PRO varies by delivery method. PRO surveys by regular mail yield the highest response rate, followed by hybrid and email delivery methods. Hybrid delivery combines good response rates with the ease of digitally returned questionnaires.