Table 2
Endoscopic and pathologic findings

Variable	Total (n=75)	BRI (+) (n=25)	BRI (-) (n=50)	P value
Endoscopic findings
Esophagus
Normal	44.4	52.0	42.0	0.232
Reflux esophagitis, minimal change	48.1	48.0	52.0
Reflux esophagitis, LA-A	6.2	0.0	4.0
Reflux esophagitis, LA-B	1.2	0.0	4.0
Stomach
Erythema	38.7	48.0	34.0	0.241
Erosion	37.3	44.0	34.0	0.399
Atrophic change	28.0	40.0	22.0	0.102
Metaplastic change	14.7	12.0	16.0	0.644
Ulcer	8.0	12.0	6.0	0.367
Fold thickening	1.3	0.0	2.0	0.477
Polyp	4.0	4.0	4.0	1.000
Pathologic findings
Foveolar hyperplasia	90.7	88.0	92.0	0.575
Venous congestion	67.9	76.0	72.0	0.712
Edema	66.7	100.0	58.0	0.000*
Acute inflammation	43.2	48.0	46.0	0.870
Chronic inflammation	70.4	84.0	72.0	0.251
Intestinal metaplasia	19.2	28.0	16.0	0.221
Presence of Helicobacter pylori	40.5	24.0	48.0	0.046*

Values are presented as percentage. BRI, bile reflux index; LA-A, reflux esophagitis one or more mucosal breaks, no longer than 5 mm, that do not extend between the tops of two mucosal folds; LA-B, reflux esophagitis one or more mucosal breaks, more than 5 mm, that do not extend between the tops of two mucosal folds.
P<0.05