Epidemiological studies investigating the role of Helicobacter pylori infection in gastro-oesophageal reflux disease (GORD)
| Prevalence of H pylori in GORD | |
|---|---|
| Similar to controls | |
| O’Connor and Cunnane45 | |
| Borkent and Beker46 | |
| Walker and colleagues47 | |
| Cheng and colleagues48 | |
| Newton and colleagues49 | |
| Befrits and colleagues50 | |
| Liston and colleagues51 | |
| Decreased | |
| Werdmuller and Loffeld52 | |
| Vicari and colleagues53 | |
| Ohara and colleagues35 | |
| Haruma and colleagues54 | |
| Severity of GORD and H pylori | |
| Similar to controls | |
| O’Connor and Cunnane45 | |
| Newton and colleagues49 | |
| Werdmuller and Loffeld52 | |
| Increased | |
| Cargill and colleagues57 | |
| Decreased | |
| Grebenev56 | |
| Sehiguchi and colleagues55 | |