Metabolic biomarkers in irritable bowel syndrome diagnosis.

Irritable bowel syndrome (IBS) is a chronic gastrointestinal (GI) disorder characterized by altered bowel habits and abdominal discomfort during defecation. It significantly impacts life quality and work productivity for those affected. Global data suggests a slightly higher prevalence in females than in males.

Psychometric properties of Persian version of irritable bowel syndrome- behavioral responses questionnaire (IBS-BRQ).

Aim: This study aimed to determine the psychometric properties of Persian version of Irritable Bowel Syndrome-Behavioral Responses Questionnaire (IBS-BRQ).

Background: In addition to somatic symptoms and complaints, patients with irritable bowel syndrome have specific dysfunctional behaviors that lead to disease persistence and functional disturbance.

Methods: Participants included 170 patients with irritable bowel syndrome, who were diagnosed based on ROM-IV criteria and selected from patients referring to the Gastrointestinal Disorders Clinic, as well as 100 persons from the general population in Isfahan in 2020.