Table 1.

Clinical characteristics

Age (years; mean)	63 (45–81)
Sex	20 F, 49 M
HY stage (median)	2.0 (1.0–3.0)
Disease duration (years; mean)	3.9 (0.3–15)
MMSE (mean)	29 (24–30)
FAB (mean)	17 (13–18)
Levodopa equivalent at home (mg/day; mean)	440 (0–1500)

H&Y stage, Hoehn and Yahr stage (score 0–5); MMSE, Mini‐Mental State examination (score 0–30); FAB, frontal assessment battery (score 0–18).

If not indicated otherwise, data are mean (±standard error of the mean) across 69 Parkinson patients.

For HY stage, higher scores indicate worse functioning. For both FAB and MMSE, lower scores indicate worse functioning. The scores were evaluated OFF medication.