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  • Title: The construction of a new evaluative GERD questionnaire--methods and state of the art.
    Author: Armstrong D, Mönnikes H, Bardhan KD, Stanghellini V.
    Journal: Digestion; 2007; 75 Suppl 1():17-24. PubMed ID: 17489028.
    Abstract:
    Gastroesophageal reflux disease (GERD) is one of the most prevalent diseases worldwide, and it is becoming increasingly important to monitor the effect of various interventions on GERD symptoms. There can be rapid temporal changes in the severity and frequency of patients' symptoms as well as their health status and well-being, all of which could, theoretically, be monitored using diaries or questionnaires. However, current GERD monitoring instruments are not appropriate because they do not assess symptoms daily, they are not sufficiently responsive to short-term changes in health status or they are not adequately validated. To address these problems, the conceptual and psychometric requirements for a GERD symptom assessment questionnaire were identified. A dimension-based scale was designed to reduce the number of symptoms monitored on a daily basis, and the validation process was defined to produce parallel long and short forms of a scale for patients' self-assessment of their GERD symptom response to therapy. These basic principles which underlie the successful development of a new, self-assessed symptomatic reflux questionnaire (ReQuest) are also applicable to the development of validated questionnaires for daily symptom self-assessment in other disease areas.
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