Impairment of secondary peristalsis in Barrett’s esophagus by transnasal endoscopy-based testing

Table 1 Clinical characteristics of the subjects in each group n (%)

	Control (n = 25)	SSBE (n = 16)	LSBE (n = 8)
Sex (male/female)	19/6	15/1b	8/0b
Age (yr)	32 ± 7	38.4 ± 14.4	38.0 ± 14.0
BMI (kg/m2)	22 ± 2.8	22.7 ± 3.1	22.2 ± 3.5
No. smokers	7 (28)	4 (25)	4 (50)bd
No. drinkers	20 (80)	14 (87.6)	7 (87.5)
No. Helicobacter pylori antibody positive	4 (18.2)	2 (12.5)	0 (0)bd
No. with erosive reflux esophagitis	1 (4)	7 (43.8)b	5 (62.5)bd

Data are expressed as absolute numbers (percentage) or mean ± SD.

^bP < 0.01 vs control;

^dP < 0.01 vs patients with short segment Barrett’s esophagus (SSBE). LSBE: Long segment Barrett’s esophagus; BMI: Body mass index.