Perianal fistulas in adult patients with Crohn's disease in Germany - aretrospective cross-sectional analysis of claims data from German sickness funds

摘要

Introduction Perianal fistulas (PF) are presumably a frequent extraintestinal manifestation of Crohn's disease (CD), causing significant functional impairment. This study aims to gain representative data on the prevalence, characteristics, and treatment of CD patients suffering from PF in Germany.