Average annual BO incidence rates in Northern Ireland
| Time period | BO incidence/100 000 | Endoscopies/100 000 | BO incidence/100 endoscopies | Oesoph biopsies/100 000 | BO incidence/100 biopsies |
|---|---|---|---|---|---|
| 1993–1997 | 32.2 | 1334 | 2.4 | 1604 | 24.8 |
| 1998–2001 | 61.6 | 1692 | 3.6 | 2267 | 34.9 |
| 2002–2005 | 80.3 | 1756 | 4.6 | 2651 | 40.1 |