
Keywords: CI، فاصله اطمینان; Psychological Factors; Functional Disorder; Population StudyASQ, Abdominal Symptom Questionnaire; BMI, body mass index; CI, confidence interval; EGD, esophagogastroduodenoscopy; EPS, Epigastric Pain Syndrome; FD, functional dyspepsia; GERS, gastroesophage