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Validation of the Portuguese language version of a chronic venous ulcer quality of life questionnaire (Charing Cross Venous Ulcer Questionnaire – CCVUQ-Brazil)

Abstract

Background: The use of quality of life instruments has become widespread over recent years. There is an important questionnaire specifically designed for patients with venous ulcers, the Charing Cross Venous Ulcer Questionnaire (CCVUQ), which has already been translated into Portuguese as part of a recent study, but its psychometric properties still need to be tested to complete its validation for use in Brazil. Objectives: To validate the Portuguese version of a venous ulcer quality of life questionnaire, the CCVUQ-Brazil. Methods: The translated version of the questionnaire was administered to 50 individuals and its internal consistency was analyzed. It was re-administered (30 minutes and 7 to 15 days after the first administration) in order to test its reproducibility. Results were compared with results for the 36-Item Short Form Health Survey (SF-36) to test validity. Results: The Portuguese version is semantically and culturally similar to the original version in English. It has satisfactory internal consistency, it exhibited high correlations in tests of reproducibility and it has significant construct validity. Conclusions: The Portuguese version of the CCVUQ-Brazil has been validated for use.

Keywords:
questionnaire; quality of life; venous ulcer

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