Gastroen Clin Biol
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Irritable bowel syndrome (IBS) is a common functional gastro-intestinal disease. In the absence of specific markers, definition and hence diagnosis depend on clinical presentation. Of the various attempts to set criteria for IBS, the most recent are Rome I and Rome II classifications. ⋯ The prevalence of IBS observed in this study in France was close to the lower limit in published data (3 to 20%). Our results suggest that the Rome I criteria are not sensitive enough to detect all IBS patients in a population not actively seeking health care intervention for the condition. In this regard, the refined classification (Rome II) which was established after our study was carried-out should be evaluated.