Comparison of the Rome IV and Rome III criteria for IBS diagnosis: A cross‐sectional survey

Background and Aims The aims of this study were to investigate the proportion of clinical irritable bowel syndrome (IBS) at a tertiary hospital in China, to compare the Rome III and Rome IV criteria with regard to IBS diagnosis, to describe the agreement between the Rome III and Rome IV criteria, and to identify differences between Rome IV‐positive and ‐negative IBS patients. Methods A cross‐sectional survey was performed among outpatients in...