Table 1.

Rutgeerts scoring system.

Rutgeerts endoscopic recurrence scoring system
Endoscopic score	Definition
i0	No lesions in the distal ileum
i1	⩽5 aphthous lesions
i2	>5 aphthous lesions with normal mucosa between the lesions or skip areas of larger lesions or lesions confined to ileocolonic anastomosis
i3	Diffuse aphthous ileitis with diffusely inflamed mucosa
i4	Diffuse inflammation with already larger ulcers, nodules, and/or narrowing