Gas/Bloating

The Gas and Bloating Diary Instrument (GABDI) is a list of patient-reported symptoms that are used for the evaluation of abdominal problems associated with gas and bloating.

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This problem affects 15-20% of the US population. GABDI comprises of 11 commonly experienced symptoms, and each one is assessed for its intensity, frequency, and duration.

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The incidence and nature of these symptoms vary day to day, and it is often difficult to accurately remember them, there is a significant recall bias.

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Hence, it is important to prospectively, accurately, and in a timely manner document and assess these patient-reported abdominal symptoms for use in clinical trials, and assessment of these patients.