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Validation of a brief symptom questionnaire (ReQuest in Practice) for patients with gastro-oesophageal reflux disease.

Rubin, G. and Uebel, P. and Brimo-Hayek, A. and Hey, K.H and Doerfler, H and Heading, R.C (2008) 'Validation of a brief symptom questionnaire (ReQuest in Practice) for patients with gastro-oesophageal reflux disease.', Alimentary pharmacology & therapeutics., 27 (9). pp. 846-851.

Abstract

Background  A clinical need exists for a means of assessing symptom control in patients with gastro-oesophageal reflux disease. The ReQuest questionnaire has been extensively validated for symptom assessment in both erosive and non-erosive gastro-oesophageal reflux disease but was designed for research purposes. We derived a shorter version (ReQuest in Practice) that would be more convenient for clinical practice. Aim  To validate ReQuest in Practice in patients suffering from gastro-oesophageal reflux disease. Methods  Multicentre, non-interventional, crossover comparison. Patients completed ReQuest in Practice followed by ReQuest or vice versa. Before and after a planned endoscopy, patients completed the health-related quality of life questionnaire GERDyzer. Internal consistency and the Intraclass Correlation Coefficient were calculated. Construct validity was evaluated by correlation with ReQuest and GERDyzer. Results  There was high internal consistency of ReQuest in Practice (Cronbach’s alpha: 0.9) and a high Intraclass Correlation Coefficient of 0.99. The measurement error of ReQuest in Practice was 4.1. High correlation between ReQuest in Practice and ReQuest (Spearman correlation coefficient: 0.9) and GERDyzer (Spearman correlation coefficient: 0.8) demonstrated construct validity. Conclusions  ReQuest in Practice was proven to be valid and reliable. Its close correlation with ReQuest makes it a promising tool to guide the clinical management of patients across the full spectrum of both erosive and non-erosive gastro-oesophageal reflux disease.

Item Type:Article
Full text:Full text not available from this repository.
Publisher Web site:http://dx.doi.org/10.1111/j.1365-2036.2008.03641.x
Record Created:21 Oct 2011 15:05
Last Modified:21 Oct 2011 15:29

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