Summary points
| Hypothetical link | Validation |
| • Prevalence of H pyloriinfection is higher in NUD than in asymptomatic controls | Probably not |
| • Eradication of H pyloriinfection improves dyspeptic symptoms | Probably not |
| • Risk of development of peptic ulcer is increased in NUD | Probably not |
| • Eradication of H pyloriinfection prevents development of peptic ulcer or gastric cancer in NUD subjects | Benefit is low, except in high risk patients |
NUD, non-ulcer dyspepsia.