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[Influential factors on health-related quality of life after cerebral vascular disease].

A mail survey was conducted to elucidate the influential factors on heath-related quality of life (HRQOL) after cerebral vascular disease. Questionnaires for clinicians and their patients were mailed to 2,587 hospitals with more than 100 beds, which have at least one of the following departments: neurosurgery, neurology, psychiatry or rehabilitation. Each mailing contained a request to the clinician and questionnaires for 5 cases. 378 effective questionnaires could be collected, meaning the collection rate was 2.9%. The questions for the physicians concerned diagnosis (cerebral infarction or hemorrhage), duration of illness, activities of daily living(ADL), manifestation of paralysis and psychiatric symptoms and so forth. The questionnaire for the patients was composed of items from the EuroQol clinical version (EuroQol). Geriatric Depression Scale short form (GDS) and inquiries concerning family living with the patients, their housekeeping and so on. A visual analogue scale (VAS) concerning health state of the EuroQol was used as a measure of HRQOL. Coefficients of determination between VAS and other inquiries were calculated by regression analysis or ANOVA, revealing that "anxiety/depression", "GDS" and 16 other items were statistically significant on VAS (p < 0.05). General linear model (GLM) analysis using VAS as a criterion variable and these 18 items as predictor variables showed that "sleep disturbance" and GDS score were most influential on VAS according to the F value of the type 3 sum of squares. "Health state today compared to that during the past one year", "shopping as housekeeping", "ADL" and "pain/discomfort" also have some influence on VAS. In conclusion, sleep disturbance and depression had the most deleterious effect on HRQOL.