Incidence of Barrett’s oesophagus (BO) by calendar year, sex, and age category*
| No of BO cases | No of person years | No of upper GI endoscopies | BO/100 000 person years (95% CI) | BO/1000 upper GI endoscopies (95% CI) | |
|---|---|---|---|---|---|
| GI, gastrointestinal; 95% CI, 95% confidence interval. | |||||
| *Non-overlapping confidence intervals indicate p<0.05. | |||||
| Overall | 260 | 1 314 933 | 8495 | 19.8 (17.5–22.3) | 30.6 (27.1–34.5) |
| 1996 | 7 | 64 972 | 421 | 10.8 (4.8–21.2) | 16.6 (7.4–32.6) |
| 1997 | 17 | 118 953 | 858 | 14.3 (8.6–22.4) | 19.8 (12.0–31.0) |
| 1998 | 27 | 162 271 | 1148 | 16.6 (11.2–23.8) | 23.5 (15.8–33.7) |
| 1999 | 45 | 218 630 | 1483 | 20.6 (15.2–27.3) | 30.3 (22.4–40.2) |
| 2000 | 43 | 224 570 | 1384 | 19.2 (14.1–25.5) | 31.1 (22.8–41.4) |
| 2001 | 48 | 207 932 | 1338 | 23.1 (17.2–30.3) | 35.9 (26.8–47.1) |
| 2002 | 46 | 198 754 | 1136 | 23.1 (17.2–30.6) | 40.5 (30.0–53.5) |
| 2003 | 27 | 118 853 | 727 | 22.7 (15.3–32.6) | 37.1 (25.0–53.2) |
| Sex | |||||
| Men | 158 | 652 310 | 3952 | 24.2 (20.7–28.2) | 40.0 (34.1–46.6) |
| Women | 102 | 662 623 | 4543 | 15.4 (12.6–18.6) | 22.5 (18.4–27.1) |
| Age at diagnosis (y) | |||||
| <40 | 17 | 717 690 | 1858 | 2.4 (1.4–3.7) | 9.2 (5.5–14.3) |
| 40–60 | 104 | 383 016 | 3487 | 27.2 (22.3–32.8) | 29.8 (24.5–36.0) |
| >60 | 139 | 214 228 | 3150 | 64.9 (54.8–76.4) | 44.1 (37.2–51.9) |