Table 1.

Variables and instruments used for assessment of the outcomes in individuals with PD.

Variables		Definition	Instruments
Symptomatology
	General condition of the patient with PD	Light disability, Moderate disability, High disability	HYa-Degree of Disability Scale
	Evaluation of PD	Progression of the disease	UPDRSb
Motor/Non-motor Symptoms
	Balance	Restricted to the wheelchair; Needs during walking; Independent walking	BBSc
	Sleep quality	‒	PDSSd
	Depressive symptoms	Minimal, mild, moderate, severe	BDIe
	Fatigue	‒	FSSf
	Quality of life	‒	PDQ-39g

^aHY: Hoehn and Yahr.

^bUnified Parkinson's Disease Rating Scale.

^cBBS: Berg Balance Scale.

^dPDSS: Parkinson’s Disease Sleep Scale.

^eBDI: Beck Depression Inventory.

^fFSS: Fatigue Severity Scale.

^gPDQ-39: Parkinson’s Disease Questionnaire.