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

Table 3 Clinical characteristics of patients according to the two lengths of Barrett’s epithelium n (%)

	The C extent of Barrett’s epithelium		P value
	< 2 cm (n = 347)	≥ 2 cm (n = 27)
Age
Median; range (yr)	68; 31–91	70; 42–86	0.4933
Sex
Female (%)	149 (42.9)	14 (51.9)	0.36831
BMI
Median; range	22.5; 14.4–41.2	22.3; 16.9–28.2	0.7199
Regular drinking habit (%)	143 (41.2)	14 (51.9)	0.28051
Smoking habit (%)	161 (46.4)	13 (48.1)	0.86061
Hiatal hernia (%)	136 (39.2)	17 (63.0)	0.01551
GMA
Open type (%)	177 (51.0)	12 (44.4)	0.51111
Erosive esophagitis (%)
Total	109 (31.4)	16 (59.3)	0.00311
Mild	97 (28.0)	15 (55.6)	0.00261
Severe	12 (3.5)	1 (3.7)	> 0.99992

P value: Mann–Whitney U test;

¹: χ² test;

²: Fisher’s exact test.