Benefits of the Seattle biopsy protocol in the diagnosis of Barrett’s esophagus in a Chinese population

Table 2 General data and endoscopic appearances of groups C and D

	Group C (n = 31)		Group D (n = 14)		P-value
	mean ± SD	n (%)	mean ± SD	n (%)
Age (yr)	66.53 ± 12.47		65.79 ± 14.18		0.8601
Gender (male)		25 (80.6)		12 (85.7)	0.5182
BMI (kg/m2)	25.65 ± 3.70		23.14 ± 3.64		0.0511
EE		6 (19.4)		8 (57.1)	0.0112
Hiatus hernia		17 (54.8)		6 (42.9)	0.4572
LSBE		9 (29.0)		2 (14.3)	0.2872
Biopsy pieces	5.69 ± 2.82		4.00 ± 2.18		0.0391

¹P-values were analyzed with t-test;

²P-values were analyzed with Pearson’s χ² test. BMI: Body mass index; EE: Erosive esophagitis; LSBE: Long segment Barrett’s esophagus.