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The relation of falls to fatigue, depression and daytime sleepiness in Parkinson’s disease

School of Health Professions, University of Texas Medical Branch, Galveston, TX 77030, USA. mon.bryant@yahoo.com



To characterize non-motor symptoms in individuals with Parkinson's disease (PD) who experience falls compared to those who do not fall.


Fifty-four individuals with PD were studied. Thirty-six were fallers and 18 were non-fallers. Fatigue was assessed by the Iowa Fatigue Scale. Excessive daytime sleepiness was assessed by the Epworth Sleepiness Scale, and depressive symptomatology was assessed by the short-form Center for Epidemiologic Studies Depression Scale.


Compared to non-fallers, fallers had more severe disability, greater general physical fatigue (p = 0.024), lower energy levels (p = 0.042) and less productivity (p = 0.007). Fallers had more depressive symptomatology than the non-fallers (p = 0.01). Excessive daytime sleepiness was not different between the two groups (p = 0.695).


Individuals with PD who fell had more severe motor and non-motor symptoms than those who did not fall. These non-motor symptoms included physical fatigue, energy, productivity and depressive symptomatology.

Copyright © 2012 S. Karger AG, Basel.

PMID: 22555623
[PubMed - indexed for MEDLINE]


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