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I read the paper by Fang et al 1 with interest. The authors reported risk factors for functional dyspepsia (FD), defined using the Rome III criteria, in a large referral population from Taiwan. They reported that these criteria performed poorly in distinguishing between organic pathology and FD, that those with FD were more likely to exhibit concomitant IBS and that there were distinct differences in risk factors between epigastric pain syndrome (EPS) and postprandial distress syndrome (PDS). The latter observation led them to conclude that these two FD subgroups have a …
Competing interests None.
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