Relationship of gastric Helicobacter pylori infection to Barrett’s esophagus and gastro-esophageal reflux disease in Chinese

Table 1 Clinic features of study population

	No.	Mean age (yr)	Male: Female
No. Of patients	391	52.41	211:180
RE I	39	52.12	26:13
II	35	53.67	26:9
III	29	55.56	24:5
BE SSBE	94	54.71	62:32
LSBE	26	58.66	20:6
Low-grade dysplasia	7	59.57	5:2
High-grade dysplasia	5	62.00	3:2
Adenocarcinoma at GEJ	17	62.64	14:3

Table 2 Comparisons of H pylori status among patients with sex, length of SCJ, grade of RE

	No.	Hp+(%)	Hp-(%)	P
No. Of patients	375	(46.93)	(53.06)
Male: Female	195:180	95: 81	100:99	0.534
Group A	98	41 (41.84)	57 (58.16)	0.239
Group B	277	135 (48.73)	142 (51.26)
RE I	29	15 (51.72)	14 (48.28)	0.032
II	35	10 (28.57)	25 (41.43)
III	29	6 (20.68)	23 (79.31)

Table 3 Comparisons of H pylori status between patients with IM in LSBE, SSBE and distal stomach

IM	Group A		Group B		Distal stomach
	+ (%)	_(%)	+ (%)	_(%)	+ (%)	_(%)
HP+	12 (46.15)	29 (40.27)	48 (51.06)	87 (47.54)	76 (56.29)	97 (37.89)
HP-	14 (53.84)	43 (59.72)	46 (48.93)	96 (52.45)	59 (43.70)	159 (62.11)
Total	26	72	94	183	135	256

Comparision of H pylori status between LSBE (IM+ in group A) and SSBE (IM+ in group B), P = 0.658, (Χ² = 0.196); Comparision of H pylori status between IM “+” and IM “–” in group A, P = 0.603, (Χ² = 0.271); Comparision of H pylori status between IM “+” and IM “–” in group B, P = 0.579, (Χ² = 0.308); Comparision of H pylori status between IM “+” and IM“–” in distal stomach, P = 0.000, (Χ² = 12.14).