title: The possible clinical predictors of fatigue in Parkinson's disease: a study of 135 patients as part of international nonmotor scale validation project.
abstract: Fatigue is a common yet poorly understood and underresearched nonmotor symptom in Parkinson's disease. Although fatigue is recognized to significantly affect health-related quality of life, it remains underrecognised and empirically treated. In this paper, the prevalence of fatigue as measured by a validated visual analogue scale and the Parkinson's disease nonmotor symptoms scale (PDNMSS) was correlated with other motor and nonmotor comorbidities. In a cohort of patients from a range of disease stages, occurrence of fatigue correlated closely with more advanced Parkinson's disease, as well as with depression, anxiety, and sleep disorders, hinting at a common underlying basis.
authors.affiliation: National Parkinson Foundation Centre of Excellence, King's College Hospital, King's College London, Denmark Hill Campus, 9th Floor, Ruskin Wing, > London SE5 9RS, UK.
authors.forename: Vinod
authors.initials: V
authors.lastname: Metta
authors.forename: Kartik
authors.initials: K
authors.lastname: Logishetty
authors.forename: P
authors.initials: P
authors.lastname: Martinez-Martin
authors.forename: Heather M
authors.initials: HM
authors.lastname: Gage
authors.forename: P E S
authors.initials: PE
authors.lastname: Schartau
authors.forename: T K
authors.initials: TK
authors.lastname: Kaluarachchi
authors.forename: Anne
authors.initials: A
authors.lastname: Martin
authors.forename: Per
authors.initials: P
authors.lastname: Odin
authors.forename: P
authors.initials: P
authors.lastname: Barone
authors.forename: Fabrizio
authors.initials: F
authors.lastname: Stocchi
authors.forename: A
authors.initials: A
authors.lastname: Antonini
authors.forename: K Ray
authors.initials: KR
authors.lastname: Chaudhuri