Population-based studies of the incidence of GERD.
| Reference | Country | Data source | Age group (years) | Sample size | Year of incidence estimate | Incidence (per 1000 person-years) |
|---|---|---|---|---|---|---|
| USA | ||||||
| Kotzan et al38 | USA | Georgia Medicaid claims data | >27 | 163 085 | 1998 | 5.4 |
| Europe | ||||||
| Ruigómez et al39 | UK | GPRD | 2–79 | ∼3 million | 1996 | 4.5 |
| Ruigómez et al37 | UK | THIN | 1–17 | ∼2.3 million | 2000–2005 | 0.84 |
Studies from the previous review are shaded in grey.1
GERD, gastro-oesophageal reflux disease; GPRD, General Practice Research Database; THIN, The Health Improvement Network.