Systematic review with meta-analysis: global prevalence of uninvestigated dyspepsia according to the Rome criteria.
Brigida BarberioSanjiv MahadevaChristopher J BlackEdoardo V SavarinoAlexander Charles FordPublished in: Alimentary pharmacology & therapeutics (2020)
Even when uniform symptom-based criteria are used to define the presence of uninvestigated dyspepsia, prevalence varies between countries. This suggests that there are environmental, cultural, ethnic, dietary or genetic influences determining symptoms.