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  • Title: [Validation of the Japanese version of the Parkinson's Disease Questionnaire].
    Author: Kohmoto J, Ohbu S, Nagaoka M, Suzukamo Y, Kihira T, Mizuno Y, Ito YM, Hith M, Yamaguchi T, Ohashi Y, Fukuhara S, Kondo T.
    Journal: Rinsho Shinkeigaku; 2003 Mar; 43(3):71-6. PubMed ID: 12820553.
    Abstract:
    UNLABELLED: The PDQ-39 (Parkinson's Disease Questionnaire-39) is a specific quality-of-life (QOL) scale for patients with Parkinson's disease (PD). It evaluates the dysfunction of daily living and quality of life. We developed the Japanese-translated version of PDQ-39 and examined the validity of the PDQ-39 in Japanese PD patients. SUBJECTS: A total of 156 patients with PD were studied (age 35-86 years, Hoehn-Yahr stage 1 to 4). None of the patients had dementia. METHODS: Semi-structured interviews were conducted by one trained interviewer. The PDQ-39, SF-36 (36-item short form of the Medical Outcome Study questionnaire), EQ5D (Euro Qol), and NAS-J (Nottingham Adjustment Scale Japanese version) were used for evaluation. The attending physician of each patient rated the patient's condition by using the UPDRS (Unified Parkinson's Disease Rating Scale). RESULTS: Exploratory factor analysis, Cronbach alpha, and construct validity were fair, and there were significant correlations between the results of the PDQ-39 and the corresponding parts of the UPDRS and SF-36, and the Hoehn-Yahr stage, respectively. CONCLUSION: The Japanese version of the PDQ-39 is valuable for evaluating the QOL of Japanese patients with PD. Results of comparison of PDQ-39 with other scales of the QOL such as NAS-J suggest the possibility that acceptance of the disease and feelings of self-achievement improve the QOL of patients with Parkinson's disease.
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