Fig. 1. Prevalence of functional dyspepsia subtypes based on Rome IV diagnostic criteria between the regions of Saudi Arabia. The p values are between the geographic regions across the country. PDS, postprandial distress syndrome; EPS, epigastric pain syndrome.

Korean J Gastroenterol 2020;76:304~313 https://doi.org/10.4166/kjg.2020.110

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