Table 1.

Summary of participant demographics (means ± SE)

	Patients (n = 7)	Controls (n = 18)	Difference
Gender (M:F)	6:1	11:7	χ2(1, 25) = 1.40, n.s.
Age	39.1 (1.0)	35.9 (2.6)	t(23) = 0.93, n.s.
Education	11.1 (1.5)	11.1 (0.7)	t(23) = 0.10, n.s.
UPDRS	69.7 (9.53)	N/A	N/A
Duration of methcathinone use	5.1 years (2.2)	N/A	N/A
LARS	−16 (2.7)	−25 (1.6)	t(23) = 2.57, p = .02
BDI	20.7 (5.7)	8.1 (1.1)	t(23) = 1.91, n.s.