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Validation of the GSFQ, a Self-Administered Symptom Frequency Questionnaire for Patients with Gastroesophageal Reflux Disease
Author(s) -
Pierre Paré,
François Meyer,
David Armstrong,
Myron Pyzyk,
Dan Pericak,
Goeree Ron
Publication year - 2003
Publication title -
canadian journal of gastroenterology
Language(s) - English
Resource type - Journals
eISSN - 1916-7237
pISSN - 0835-7900
DOI - 10.1155/2003/530984
Subject(s) - gerd , intraclass correlation , cronbach's alpha , medicine , quality of life (healthcare) , construct validity , physical therapy , rating scale , clinical trial , disease , esophagogastroduodenoscopy , randomized controlled trial , patient reported outcome , reflux , reliability (semiconductor) , psychometrics , psychology , clinical psychology , endoscopy , developmental psychology , power (physics) , physics , nursing , quantum mechanics
Although the diagnosis of gastroesophageal reflux disease (GERD) is based primarily on symptoms experienced by a patient, relatively little attention has been paid to the development and validation of self-administered questionnaires specific to GERD symptoms. The present article presents the validation of the short, self-administered GERD Symptom Frequency Questionnaire (GSFQ).

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