Table 2.

Colonic mucosal damage index scoring criteria.

Gross morphologies	Symptoms	Score
Correlation with the surrounding tissues during sampling	No adhesion	0
	Mild adhesion (colon and other tissues were easily peeled)	1
	Serious adhesion	2
Inflammation and ulceration	No ulceration and inflammation	0
	Local congestion and no ulceration	1
	1 ulcer without congestion or thickening of intestinal wall	2
	1 ulcer with inflammation	3
	≥2 ulcers with inflammation	4
	>2 ulcers and >1 cm inflamed area	5
	Ulcers with >2 cm inflamed area and increasing 1 score for each additional 1 cm lesion	6–8