Prevalence and Risk Factors of Gastroesophageal Reflux Disease in Bulgaria: An Internet-Based Survey.

Background: The global pooled prevalence of gastroesophageal reflux disease (GORD) is approximately 14% and varies significantly according to the country. More population-based studies are needed in regions lacking epidemiological data on the prevalence of GORD, such as Eastern Europe, particularly Bulgaria. This current study aimed to evaluate the prevalence of GORD in Bulgaria and assess the risk factors associated with this disorder.

Prevalence of Irritable Bowel Syndrome, Functional Dyspepsia and their Overlap in Bulgaria: a Population-Based Study.

Aims: We aimed to evaluate the prevalence of irritable bowel syndrome (IBS), functional dyspepsia (FD), and their overlap syndrome (OS) in the Bulgarian population and to assess the risk factors associated with these disorders.

Methods: We sent an internet-based survey to Bulgarian adults. The survey collected data on socio- demographic, behavioral and lifestyle characteristics, and diagnostic questions following the Rome IV criteria to assess IBS, FD and their overlap occurrence.