Table II.

Macroscopic scores of the colonic mucosa.

Score	Alterations in colonic mucosa
0	No damage
1	Mucosal hyperemia, edema, no ulcer
2	Mucosal hyperemia, edema, mild erosion, no ulcer
3	Mucosal hyperemia, edema, moderate erosion, single ulcer
4	Mucosal hyperemia, edema, severe erosion, multiple ulcers
5	Mucosal hyperemia, edema, severe erosion, ulcer >1 cm