The Helicobacter pylori duodenal ulcer promoting gene, dupAin China

BMC Gastroenterology

Table 3 Antral histological scores for the dupA matched groups

	Chronic inflammation	Acute inflammation	Atrophy	Intestinal metaplasia
dupA+
Mean	2.36	1.31	0.74	0.49
Range	2–3	0–3	0–3	0–3
Median	2	1	1	0
dupA-
Mean	2.24	1.3	0.63	0.47
Range	1–3	0–2	0–3	0–3
Median	2	1	0	0
Z	-1.92	-0.066	-0.956	-0.06
P	0.058	0.948	0.339	0.952

The individual grades for each histological feature were used in a Mann-Whitney U test to explore difference

ISSN: 1471-230X