Table 3

Population-based studies of the incidence of GERD.

ReferenceCountryData sourceAge group (years)Sample sizeYear of incidence estimateIncidence (per 1000 person-years)
 Kotzan et al38USAGeorgia Medicaid claims data>27163 08519985.4
 Ruigómez et al39UKGPRD2–79∼3 million19964.5
 Ruigómez et al37UKTHIN1–17∼2.3 million2000–20050.84
  • 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.