RESUMEN
Objective To translate English version of the Questionnaire evaluating the Disability of Upper Extremities in daily activities among patients undergoing maintenance Hemo-Dialysis (QDUE-HD) and test the reliability and validity of QDUE-HD. Methods After translation, back translation, 2 rounds of Delphi expert advice and pre-investigation, the initial questionnaire was formed. Two hundred and eleven patients undergoing hemo-dialysis from 4 hospitals located in Suzhou, Wuxi, Shanghai and Zhejiang were investigated using the initial questionnaire. And reliability and validity of QDUE-HD were evaluated. Results Two common factors containing 10 items and 2 dimensions(i.e. gripping and upper and lower arm movements) were extracted by exploratory factor analysis. The rate of cumulative contribution was 69.473％. In addition, the content validity index, Cronbach α coefficients, half-fold coefficient and test-retest reliability coefficient of whole scale were 0.850, 0.906, 0.929 and 0.983, respectively. Conclusions The reliability and validity of QDUE-HD (Chinese version) are reliable and effective. This questionnaire is simple and convenient to use in clinic.