Population studies of the incidence of gastro-oesophageal reflux disease (defined as at least weekly heartburn and/or acid regurgitation or diagnosed by a physician) included in the analysis
| Reference (first author) | Country | Data source | Age group | Sample size | Incidence (per 1000 >person-years) |
|---|---|---|---|---|---|
| Kotzan (2001)18 | Georgia | Georgia Medicaid >claims data | >25 on 1 Jan 1996 | 163 085 | 5.4 |
| Ruigomez (2004)17 | UK | General Practice >Research Database | 2–79 | 7451 | 4.5 |