Brief Psychiatric Screening Questionnaire in Parkinson’s Disease

Table 1

Baseline characteristics of cohorts 1 and 2.

	Cohort 1 () (mean, range, SD)	Cohort 2 () (mean, range, SD)	value
Age (years)	65 (38–87, 9.3)	74 (49–89, 10.2)	<0.0001
Male (%)	48 (51%)	22 (66%)	0.132
Disease duration (years)	8.6 (2–24, 4.8)	4 (1–12, 3)	<0.0001
LEDD (mg)	920 (150–3064, 544)	600 (150–1550, 325)	0.002
ON-state MDS-UPDRS-III	20 (1–47, 9.5)	35 (15–66, 11)	<0.0001