“…Paediatric data are equally inconclusive; 1 paediatric study found no decrease in surgical rate after treatment with AZA (21), whereas others have suggested a decreased risk within the first year after diagnosis (11,22). In adult patients with CD the symptomatic recurrence rate after surgery is 42% to 55% at 10 years of follow-up (6,(23)(24)(25). Up to 93% has, however, been shown to have endoscopic recurrence 1 year after surgery (8,(25)(26).…”