Ref | Year | Country | N | M:F | Mean Age (Diagnosis) | Type of study | ||
---|---|---|---|---|---|---|---|---|
 |  |  |  |  | M | (Total) | F |  |
39 | 1992 | UK | 102 | 0.9 | 60.3 | Â | 57.7 | Consecutive surveillance patients |
40 | 1996 | Netherlands | 166 | 1.4 | Â | 62.0 | Â | Cohort |
41 | 1997 | UK | 232 | 2.0 | 63.0 | Â | 73.0 | Prospective screening |
18 | 1997 | Australia | 158 | 0.5 | Â | 50.8 | Â | Consecutive SSB patients |
42 | 1998 | UK | 268 | 1.7 | 60.2 | Â | 70.0 | Cohort |
43 | 2000 | UK | 5717 | 1,7 | 61.4 | Â | 67.5 | Cohort |
44 | 2000 | UK | 409 | 1.1 | Â | 63.0 | Â | Cohort |
45 | 2002 | Chile | 408 | 0.9 | Â | 53.0 | Â | Consecutive endoscopy patients |
46 | 2003 | UK | 232 | 1.7 | Â | - | Â | Consecutive endoscopy patients |