Risk of postoperative recurrence and postoperative management of Crohn’s disease

Table 1 Endoscopic recurrence score as reported by Rutgeerts et al[17]

Endoscopic score	Definition
i0	No lesions
i1	≤ 5 aphthous lesions
i2	> 5 aphthous lesions with normal mucosa between the lesions, or skip areas of larger lesions, or lesions confined to the ileocolic anastomosis
i3	Diffuse aphthous ileitis with diffusely inflamed mucosa
i4	Diffuse inflammation with already large ulcers, nodules, and/or narrowing

Remission: Endoscopic score i0 or i1; Recurrence: Endoscopic score of i2-i4.