Table 1.

Criteria to Scale the Macroscopic Morphological Damage of the Colonic Mucosa

Score Gross Morphology
0	No macroscopic damage
1	Localized hyperemia, but no ulcers or erosions
2	Ulcers or erosions with no significant inflammation
3	Ulcers or erosions with inflammation at one site
4	Two or more sites of ulceration and/or inflammation
5	Two or more major sites of inflammation and ulceration or one major site of inflammation and ulceration extending >1 cm along the length of the colon