Table 3. Differences in histological scores according to the status of H. pylori infection.

	H. pylori (+)	H. pylori (–)	P
N	93	65
Antrum
Activity	1.33±0.64	0.12±0.37	<0.0001
Inflammation	1.81±0.63	0.51±0.71	<0.0001
Atrophy	1.04±0.53	0.66±0.53	<0.0001
Intestinal metaplasia	0.14±0.52	0.08±0.40	0.33
Bacterial density	1.58±0.82	0.00±0.00	<0.0001
Corpus
Activity	1.00±0.67	0.11±0.40	<0.0001
Inflammation	1.26±0.56	0.32±0.58	<0.0001
Atrophy	0.40±0.55	0.12±0.37	<0.0001
Intestinal metaplasia	0.10±0.44	0.05±0.27	0.48
Bacterial density	1.60±0.75	0.00±0.00	<0.0001
OLGA score	1.08±0.55	0.68±0.56	<0.0001