TABLE 1.

Clinical and demographic data of the PET/MR cohort.

	Age (y)	Gender	Disease Duration (m)	H-Y Scale	UPDRS III	MoCA	HAMA	HAMD-24	RBDQ-HK
HC (N = 31)	57.45 ± 10.52	16F/15 M	–	–	0.42 ± 1.31	25.10 ± 3.76	3.00 ± 4.86	1.93 ± 3.12	4.30 ± 5.68
	(36–71)				(0–4)	(14–30)	(0–25)	(0–14)	(0–25)
PD (N = 34)	58.29 ± 13.90	16F/18 M	39.47 ± 40.69	1.77 ± 0.70	22.00 ± 11.75	26.65 ± 3.07	7.43 ± 8.14	6.73 ± 10.73	14.13 ± 14.25
	(26–86)		(6–171)	(1.0–4.0)	(7–55)	(16–30)	(0–39)	(0–58)	(0–53)
P	0.41	0.84	–	–	<0.05	0.20	<0.05	<0.05	<0.05

H-Y Scale, Hoehn-Yahr scale; UPDRS III, motor score of unified Parkinson’s Disease rating scale; MoCA, Montreal cognitive assessment; HAMA, hamilton anxiety scale; HAMD-24, 24-item hamilton depression rating scale; RBDQ-HK, rapid eye movement sleep behavior disorder questionnaire-Hong Kong. Data are presented as mean ± SD, with ranges in parentheses.