Table 1.

Demographic details and group characteristics:

	HC (n = 58)	NC-PD (n = 91)	PD-MCI (n = 25)	PD-D (n = 19)	p value
Gender (M:F)	36:22	57:34	17:8	16:3	0.304
Age (in years)	56.97 ± 11.29	58.71 ± 9.50	63.64 ± 7.08	65.58 ± 8.88	< 0.001
MoCA	28.55 ± 1.22	28.14 ± 1.37	24.68 ± 0.47	20 ± 2.40	< 0.001
UPDRS	0.87 ± 0.47	20.97 ± 9.18	26.72 ± 12.53	22.78 ± 13.08	0.047