Gender, Age, and Prevalence of Pediatric Irritable Bowel Syndrome and Constipation in Colombia: A Population-Based Study.

Objectives: Our objective was to evaluate the role of gender and age in the prevalence of irritable bowel syndrome (IBS) and functional constipation (FC) in Colombian children. We hypothesized that the prevalence of IBS and FC would be higher in female adolescents than younger female children, with no corresponding difference in males. Methods: We performed a cross-sectional study of Colombian children. Subjects completed the Questionnaire on Pediatric Gastrointestinal Symptoms-Rome III. Subjects were divided into child and adolescent age groups using two different cutoffs. Cutoffs were established at 12 and 13 years (CH-1 = 8-12y, AD-1 = 13-18y, CH-2 = 8-13y, AD-2 = 14-18y). Results: 3891 subjects (47.0% F, mean age 12.0 years) participated. 187 (4.8%) met criteria for IBS. There was no difference in gender composition between CH-1/AD-1 (56.0%, 43.5% F) and CH-2/AD-2 (53.4%, 46.8% F). Prevalence of IBS among females was higher in CH-1 than AD-1 (6.4%, 3.7%, p

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