Values are expressed as mean ± standard deviation or percentage.GERD: gastroesophageal reflux disease, NRS: numerical response scale, RDQ: Roland-Morris Disability Questionnaire.* p value in compariso
STarT-values see Hill [15]; RSQ: reference standard questionnaire, TSK: Tampa Scale of Kinesiophobia, PCS: Pain Catastrophizing Scale, PHQ-2: Patient Health Questionnaire– 2 items version, HADS: Hospi