Helicobacter pylori strain-specific modulation of gastric inflammation in Mongolian gerbils

Table 1 Chronological and spatial changes of various parameters of histopathological gastritis in Mongolian gerbils infected with two species of H pylori.

	Post-inoculation interval (wk)
	Antrum					Transitional zone					Corpus
	2	4	8	24	48	2	4	8	24	48	2	4	8	24	48
ATCC 43504-infected mongolian gerbils
Activity
None	4	0	0	0	1	5	0	0	0	1	5	3	2	3	4
Mild	1	2	2	2	4	0	2	0	1	2	0	2	2	2	0
Moderate	0	3	2	3	0	0	2	2	4	2	0	0	1	0	1
Severe	0	0	1	0	0	0	1	3	0	0	0	0	0	0	0
Chronic inflammation
None	4	0	0	0	0	5	0	0	0	0	5	2	0	2	2
Mild	1	0	0	0	0	0	2	0	0	1	0	3	3	1	3
Moderate	0	2	1	2	2	0	3	3	1	2	0	0	2	2	0
Severe	0	3	4	3	3	0	0	2	4	2	0	0	0	0	0
Glandular atrophy
None	5	2	2	2	2	5	4	2	2	1	5	5	5	4	5
Mild	0	3	3	3	3	0	1	3	3	4	0	0	0	1	0
Moderate	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Severe	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Intestinal metaplasia
None	5	5	5	5	4	5	5	5	5	5	5	5	5	5	5
Mild	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0
Moderate	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Severe	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
ohpc-0002-infected mongolian gerbils
Activity
None	5	5	4	5	3	5	5	5	5	3	5	5	5	5	4
Mild	0	0	1	0	2	0	0	0	0	2	0	0	0	0	1
Moderate	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Severe	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Chronic inflammation
None	5	5	4	2	1	5	5	5	4	3	5	5	5	5	4
Mild	0	0	1	3	2	0	0	0	1	0	0	0	0	0	1
Moderate	0	0	0	0	2	0	0	0	0	2	0	0	0	0	0
Severe	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Glandular atrophy
None	5	5	4	3	4	5	5	5	4	3	5	5	5	4	5
Mild	0	0	1	2	1	0	0	0	1	2	0	0	0	1	0
Moderate	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Severe	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Intestinal metaplasia
None	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
Mild	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Moderate	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Severe	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

Data represents number of animals.