Parkinson's disease sleep scaleβvalidati
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Claudia Trenkwalder; Ralf Kohnen; Birgit HΓΆgl; Vinod Metta; Friederike Sixel-DΓΆr
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Article
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2011
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John Wiley and Sons
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English
β 474 KB
π 1 views
## Abstract ## Background: The previous Parkinson's disease sleep scale (PDSS) is a 15βitem visual analogue scale that assesses the profile of nocturnal disturbances in Parkinson's disease (PD) patients. ## Objective: To extend the scale so that it becomes a frequency measure scale with five cat