An Investigation into the Use and Meaning of Parkinson’s Disease Clinical Scale Scores

Table 3

Illustration of cutoff values for MDS-UPDRS Part I (scale from [4]).

Part I
1.1	Cognitive impairment	—
1.2	Hallucinations and psychosis	—
1.3	Depressed mood	—
1.4	Anxious mood	—
1.5	Apathy	—
1.6	Features of DDS	—
1.6a	Who is filling out questionnaire	LJ patient
		D caregiver
		D patient + caregiver
1.7	Sleep problems	—
1.8	Daytime sleepiness	—
1.9	Pain and other sensations	—
1.10	Urinary problems	4
1.11	Constipation problems	4
1.12	Light headedness on standing	—
1.13	Fatigue
Total score		8