Portuguese validation of the Rome III diagnostic questionnaire for functional dyspepsia

• Published in: Arquivos de gastroenterologia 2010-12, Vol.47 (4), p.354-360
• Main Authors: Reisswitz, Pâmela Schitz Von, Mazzoleni, Luiz Edmundo, Sander, Guilherme Becker, Francisconi, Carlos Fernando de Magalhães
• Format: Article
• Language: English
• Subjects: Adolescent; Adult; Brazil; Clinical Trials as Topic; Dispepsia; Dyspepsia - diagnosis; Female; GASTROENTEROLOGY & HEPATOLOGY; Gastrointestinal Diseases - classification; Gastrointestinal Diseases - diagnosis; Humans; Language; Male; Middle Aged; Questionários; Reproducibility of Results; Surveys and Questionnaires; Tradução (processo); Translations; Young Adult
• ISSN: 0004-2803; 1678-4219; 1678-4219; 0004-2803
• DOI: 10.1590/s0004-28032010000400007

Validated questionnaires are essential tools to be utilized in epidemiological research. At the moment there are no Rome III diagnostic questionnaires translated to Portuguese. To validate the Portuguese version of the Rome III Diagnostic Questionnaire for Functional Dyspepsia. The questionnaire has been translated following the Rome III recommendations. Hundred and nine consecutive patients with functional dyspepsia answered the questionnaire. The control group comprised 100 healthy consecutive blood donors, without digestive problems. Internal consistency, reproducibility, responsiveness, discriminate validity and content analysis were evaluated. Cronbach's α coefficient was 0.92. The questionnaire showed reliability: the patients answered it in a similar way on two distinct occasions and their responses were substantially very similar (P = 1.00). The questionnaire was able to demonstrate changes when they occur (P