Latent class analysis does not support the existence of Rome IV functional bowel disorders as discrete entities.
Christopher J BlackLesley A HoughtonAlexander Charles FordPublished in: Neurogastroenterology and motility : the official journal of the European Gastrointestinal Motility Society (2022)
The functional bowel disorders may be better characterized as a spectrum of IBS rather than separate disorders. Adopting this pragmatic stance may help to simply diagnosis, treatment, and recruitment of patients to research trials.