Clinical and endoscopic features of Chinese reflux esophagitis patients

Table 2 Relationship between reflux esophagitis and H pylori infection

	Patients (n)	RE patients (n)	Male	Female	LA-A	LA-B	LA-C	LA-D
H pylori+	7190	277	188	89	137	116	15	9
H pylori-	11 633	1128	707	421	576	440	79	36
Percentage (%)	38.2	19.7b	21.01	17.45	19.3	20.86	15.96	20
Total	18 823	1405	895	510	710	556	94	45

^bP < 0.01 vs H pylori infection rate in all patients undergoing endoscopic examination. RE: Reflux esophagitis; LA-A: Los Angeles Classification grade A; LA-B: Los Angeles Classification grade B; LA-C: Los Angeles Classification grade C; LA-D: Los Angeles Classification grade D; H pylori+: Infected with H pylori; H pylori-: Not infected with H pylori.