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Prevalence of FD (upper panel) and IBS (lower panel) Rome III subtypes across the 6 long-term symptom clusters defined by latent class analysis. FD-EP, functional dyspepsia epigastric pain subtype; FD-PDS, functional dyspepsia postprandial distress subtype; IBS, irritable bowel syndrome; IBS-C, irritable bowel syndrome constipation subtype; IBS-D, irritable bowel syndrome diarrhea subtype; IBS-M, irritable bowel syndrome mixed subtype; IBS-U, irritable bowel syndrome unsubtyped.
