Table 3.

Prevalence of Barrett’s Epithelium in Studies Conducted in Japan.

Reference	Year	Number of cases	Total prevalence	Length of Barrett’s epithelium
				0-4 mm	5-9 mm	10-29 mm	≥30 mm
26	2000	650	15.7%		15.1%		0.6%
27	2003	548	12.2%	*	12.0%		0.2%
28	2005	2,577	20.8%	17.5%		3.1%	0.2%
29	2008	5,338	37.6%		37.4%		0.2%
30	2008	6,504	10.3%	9.4%		1.7%	0.5%
31	2009	869	43.0%
32	2012	832	22.1%		22.1%		0%
33	2013	18,792	7.9%
34	2016	3,788	5.2%	*	*	5.2%	0.03%
Present study	2020	3,353	56.2%	*	30.0%	26.2%	0.03%

*Cases with this length were not considered to be positive for Barrett’s epithelium.