Shape of Barrett’s epithelium is associated with prevalence of erosive esophagitis

Table 2 Clinical characteristics of patients according to the two shapes of Barrett’s epithelium n (%)

	Shape of Barrett’s epithelium		P value
	L type (n = 353)	F type (n = 21)
				Age
Median; range (yr)	68; 31-91	68; 54-80	0.8532
Sex
Female (%)	154 (43.6)	9 (42.9)	0.94501
BMI
Median; range	22.5; 14.4-41.2	22.0; 18.1-30.5	0.8565
Regular drinking habit (%)	144 (40.8)	13 (61.9)	0.05681
Smoking habit (%)	160 (45.3)	14 (66.7)	0.05681
Hiatal hernia (%)	145 (41.1)	8 (38.1)	0.96692
GMA
Open type (%)	184 (52.1)	5 (23.8)	0.02162
Erosive esophagitis (%)
Total	112 (31.7)	13 (61.9)	0.00441
Mild	103 (29.2)	9 (42.9)	0.27872
Severe	9 (2.5)	4 (19.0)	0.00073

P value: Mann–Whitney U test;

¹: χ² test;

²: χ² test (Yates’ correction);

³: Fisher’s exact test.