Association between hospital ownership and patient selection, management, and outcomes after carotid endarterectomy or carotid artery stenting

This study analyses the association between hospital ownership and patient selection, treatment, and outcome of carotid endarterectomy (CEA) or carotid artery stenting (CAS). The analysis is based on the Bavarian subset of the nationwide German statutory quality assurance database. All patients receiving CEA or CAS for carotid artery stenosis between 2014 and 2018 were included. Hospitals were subdivided into four groups: university hospitals, public hospitals, hospitals owned by charitable organizations, and private hospitals. The primary outcome was any stroke or death until discharge from hospital. Research was funded by Germany’s Federal Joint Committee Innovation Fund (01VSF19016 ISAR-IQ). In total, 22,446 patients were included. The majority of patients were treated in public hospitals (62