Table 1.

Characteristics of the study subjects and H. pylori genotype

	H. pylori (−) n=50	H. pylori (+) n=86	p value
Age, year (range)	45 (18–78)	34 (16–92)	0.003
Male (%)	20 (40)	40 (47)	0.46
cagA
negative (%)		0 (0)
Western-type (%)		2 (3)
East Asian-type (%)		74 (97)
vacA
s1m1 (%)		54 (71)
s1m2 (%)		22 (29)
s2m1 (%)		0 (0)
s2m2 (%)		0 (0)
PMN, Grade
0 (%)	41 (82)	0 (0)
1 (%)	8 (16)	42 (49)
2 (%)	1 (2)	37 (43)
3 (%)	0 (0)	7 (8)
Mean, Median	0.200, 0	1.593, 2	<0.001
MNC, Grade
0 (%)	16 (32)	0 (0)
1 (%)	33 (66)	20 (23)
2 (%)	1 (2)	55 (64)
3 (%)	0 (0)	11 (13)
Mean, Median	0.700, 1	1.895, 2	<0.001
Atrophy, Grade
0 (%)	6 (12)	1 (1)
1 (%)	35 (70)	46 (53)
2 (%)	6 (12)	35 (41)
3 (%)	3 (6)	4 (5)
Mean, Median	1.120, 1	1.488, 1	<0.001
H. pylori density
0 (%)	50 (100)	9 (10)
1 (%)	0 (0)	16 (19)
2 (%)	0 (0)	25 (29)
3 (%)	0 (0)	36 (42)
Mean, Median	0, 0	2.023, 2	<0.001

PMN, polymorphonuclear leucocyte; MNC, mononuclear cell.