Digestive diseases and sciences
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There have been few population-based studies on the prevalences of gastroesophageal reflux disease (GERD) and dyspepsia using Rome III criteria in Asian countries. ⋯ GERD and UID based on Rome III criteria were prevalent and significantly affected the quality of life in Korea. In Korean patients with UID, there was considerable overlap and there were no significant differences in demographic variables between PDS and EPS.