Table 1. Exterior scoring criteria tissue damage in patients with colitis (Gerald method).

Criteria of scoring of IBD morphological damage (Gerald method)	Score
No damage	0
Localized hyperemia, but no ulcers	1
Linear ulcers with no significant inflammation	2
Linear ulcers with inflammation at one site	3
Two or more sites of ulceration and/or inflammation	4
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	5

IBD, inflammatory bowel disease.