Diet and bowel function in children with Hirschsprung’s disease : development and content validation of a patient-reported questionnaire
Background: Although dietary adjustments are recommended frequently for bowel symptoms, evidence of diet’s impact on bowel function is lacking. The aim was to develop a patient-reported outcome instrument, for children with and without Hirschsprung’s disease (HD), to explore experiences of dietary effects on bowel function. Methods: Children with and without HD and their parents participated. Ques