Fig. 1From: Health-related quality of life, work productivity, and indirect costs among patients with irritable bowel syndrome with diarrheaRespondent identification. aDefined as respondents who self-reported a diagnosis of IBS-D by a physician and reported diarrhea as the predominant bowel symptom. bDefined as respondents who reported symptoms consistent with the Rome II criteria for an IBS-D diagnosis but did not self-report a diagnosis of IBS-D by a physician. Abbreviations: IBS-D irritable bowel syndrome with diarrheaBack to article page