Alcohol consumption and the risk of Barrett’s esophagus: A meta-analysis

Table 1 Characteristics of included studies

Ref.	Year	Country	Source	Study type	Number of BE patients
Levi et al[20]	1990	Switzerland	Hospital	Case-control	140
Gray et al[21]	1993	United Kingdom	Hospital	Case-control	58
Eloubeidi et al[22]	2001	United States	Hospital	Case-control	88
Gerson et al[25]	2002	United States	Hospital	Case-control	24
Conio et al[24]	2002	Italy	Hospital	Case-control	147
Avidan et al[23]	2002	United States	Hospital	Case-control	1189
Olliver et al[26]	2005	United Kingdom	Hospital	Case-control	50
de Jonge et al[27]	2006	The Netherlands	Hospital	Case-control	232
Kim et al[29]	2007	South Korea	Community	Cohort study	101
Anderson et al[28]	2007	Ireland	Community	Case-control	223
Akiyama et al[30]	2008	Japan	Hospital	Case-control	211
Anderson et al[17]	2009	Ireland	Hospital	Case-control	224
Fouad et al[32]	2009	Egypt	Hospital	Case-control	73
Kubo et al[18]	2009	United States	Community	Case-control	320
Akiyama et al[31]	2009	Japan	Hospital	Cohort study	374
Shi et al[39]	2010	China	Hospital	Case-control	179
Thrift et al[19]	2011	Australia	Community	Case-control	393
Steevens et al[16]	2011	The Netherlands	Community	Cohort study	370
Thrift et al[33]	2014	Australia	Hospital	Case-control	258
Yates et al[34]	2014	United Kingdom	Community	Cohort study	104

BE: Barrett’s esophagus.