Fig. 1From: Perianal disease onset age is associated with distinct disease features and need for intestinal resection in perianal Crohn’s disease: a ten-year hospital-based observational study in ChinaProportion of PCD patients with different perianal disease onset ages between 2008 and 2017. PCD perianal Crohn’s disease, POP paediatric-onset perianal disease, AOP adult-onset perianal diseaseBack to article page