Design of the study and participants
The study was conducted at a single referral center for pediatric EoE patients in Türkiye, Children ≥7 years old with a diagnosis of EoE were included. The demographics of the participants were taken from medical records. A questionnaire consisting of 14 questions on the symptoms and characteristics of FIRE was applied by the same investigator (GK) to the participants or to their parents when appropriate (Supplement 1). The study was approved by the instutional Ethics Committee (2023-731) Informed written consent and/or assent were obtained according to the participant’s age.