Objective Versus Self-Reported Adherence to Airway Clearance Therapy in Cystic Fibrosis

BACKGROUND:

Historically, studies of adherence to airway clearance therapy in cystic fibrosis (CF) have relied on self-reporting. We compared self-reported airway clearance therapy adherence to actual usage data from home high-frequency chest wall compressions (HFCWC) vests and identified factors associated with overestimation of adherence in self-reports.

METHODS:

Pediatric patients who perform airway clearance therapy with a...