Monitoring of ECFS quality standards for the clinical management of adults with cystic fibrosis

•The ECFS standards of care project established an international task force to derive quality standards for the standardization and monitoring of care in adults with CF.•The task force produced 10 quality standard statements devoted to the care of adults with CF, mainly based on the 2018 ECFS standards of care.•An international audit was conducted among 14 adult CF centers to retrospectively validate the quality statements.•Most quality standards for the management of CF in adults are met across Europe.•Heterogeneity was found across centers according to geographical setting and centers’ characteristics.