Table 1

Details of the 57 included studies

Ref #	Author and year of publication	N	Pt-yrs follow-up	Cases of OAC (n)	VA study	Surgical study	Mean length of BO (cm)	OAC incidence (%/yr)	Non-OAC deaths
92	Spechler, 1984	69	227	2	Yes	No	>3	0.9	16
71	Hameetman, 1989	43	223.6	2	No	No	>3	0.9	NA
63	Demeester, 1990	24	72	0	No	Yes	6.8	0	NA
81	Miros, 1991	68	250	0	No	No	7	0	19
106	Williamson, 1991	175	494	4	No	No	>3	0.8	NA
91	Sagar, 1995	56	308	1	No	Yes	5	0.3	NA
78	Malesci, 1996	14	14	0	No	No	NA	0	NA
98	Younes, 1997	36	120	0	No	No	NA	0	NA
73	Katz, 1998	97	465	3	Yes	No	6	0.6	17
94	Teodori, 1998	30	350	4	No	No	>3	1.1	NA
77	Luostarinen, 1998	5	33	0	No	Yes	NA	0	NA
88	Patti, 1999	24	32	0	No	Yes	>3	0	NA
89	Peters, 1999	37	74	1	No	No	5.6	1.3	NA
97	Wilkinson, 1999	22	92	0	No	No	7	0	NA
102	Low, 1999	7	15	0	No	Yes	NA	0	NA
90	Reid, 2000	129	503	5	No	No	NA	1	NA
75	Klinkenberg, 2000	84	546	1	No	Yes	NA	0.2	15
105	Srinivasan, 2001	5	22	0	No	Yes	7.22	0	NA
60	Chen, 2001	37	148	0	No	Yes	NA	0	NA
64	Desai, 2001	47	145	0	No	Yes	5	0	NA
66	Eckhardt, 2001	60	500	1	No	No	7	0.2	10
59	Bowers, 2002	66	337	0	No	Yes	4.4	0	2
69	Gurski, 2003	65	272	0	No	Yes	3.5	0	NA
61	Conio, 2003	150	825	3	No	No	3.9	0.3	15
65	Dulai, 2003	441	2227	2	Yes	No	6.5	0.1	113
83	Murray, 2003	1110	4471	11	No	No	NA	0.2	NA
85	Oellschlager, 2003	75	187	0	No	Yes	NA	0	NA
87	Parilla, 2003	103	611	3	No	Yes	7	0.5	NA
101	Hurschler, 2003	75	345	0	No	No	NA	0	NA
57	Basu, 2004	135	391.5	0	No	No	5.9	0	NA
56	Abbas, 2004	27	40.5	0	No	Yes	3	0	NA
80	Meining, 2004	16	40	0	No	No	NA	0	NA
70	Hage, 2004	64	812.8	3	No	No	7.1	0.4	42
86	O'Riordan, 2004	49	184	0	No	Yes	5	0	NA
104	Csendes, 2004	146	1800	5	No	No	>3	0.3	NA
82	Murphy, 2005	145	493	1	No	No	5	0.2	NA
99	Zaninotto, 2005	33	77	0	No	Yes	6	0	NA
84	Oberg, 2005	140	812	3	No	Yes	3.3	0.4	NA
95	Vieth, 2006	748	4758	11	No	No	NA	0.2	NA
68	Gladman, 2006	195	1068	4	No	No	5	0.4	19
74	Kelty, 2007	379	4548	17	No	No	NA	0.4	NA
58	Biertho, 2007	67	281	0	No	Yes	<3	0	NA
76	Lim, 2007	321	2576	13	No	No	NA	0.5	132
72	Hillman, 2008	443	2037	1	No	No	NA	0.05	NA
79	Martinek, 2008	126	700	2	No	No	2.5	0.3	3
93	Switzer-Taylor, 2008	149	589	4	No	No	6	0.7	NA
96	Vonrahden, 2008	1369	2738	5	No	No	NA	0.2	NA
103	Lundell, 2009	46	230	1	No	Yes	NA	0.4	NA
67	Gatenby, 2009	738	3697	20	No	No	NA	0.5	NA
100	Musana, 2008	141	451	2	No	No	4.9	0.4	24
62	Csendes, 2009	125	435	0	No	Yes	<3	0	NA
4	Nguyen, 2009	344	2620	13	Yes	No	3.6	0.5	NA
107	Amjuobi, 2010	97	403	0	Yes	No	NA	0	NA
108	Wong, 2010	248	987	5	Yes	No	NA	0.5	20
109	Wani, 2011	1204	6644	18	Yes	No	3.8	0.3	NA
110	Jung, 2011	293	2285	6	No	No	NA	0.3	72
111	Schouten, 2011	493	2958	9	No	No	NA	0.3	174

BO, Barrett's oesophagus; NA, Not available; OAC, oesophageal adenocarcinoma; Pt-yrs, patient-years; VA, Veterans Administration.