meRfi®-GM
Gastrointestinal symptoms rating scale (GSRS
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Contents
The GSRS is a disease-specific instrument (questionnaire based) that includes 15 items categorized into five symptom clusters, addressing different GI symptoms. The five symptom clusters include reflux, abdominal pain, indigestion, diarrhea, and constipation. The GSRS uses a seven-grade Likert-type scale, in which 1 represents the absence of bothersome symptoms and 7 represents highly bothersome symptoms: a score of 1 represents “no problems”, and a score of 7 r…