Table 1.

Modified Rutgeerts’ score.

Score	Endoscopic findings
i0	No lesions in distal ileum
i1	<5 Aphthous lesions
i2	>5 Aphthous lesions with normal mucosa between the lesions, skip areas of large lesions
• i2a	• Lesions confined to the ileocolonic anastomosis
• i2b	• Lesions in the neoterminal ileum with normal intervening mucosa (with or without anastomotic lesions)
i3	Diffuse aphthous ileitis with diffusely inflamed mucosa
i4	Diffuse inflation with larger ulcers, nodules, and/or narrowing