Table 1.

Clinical details of all subjects (mean $\pm$ stand deviation)

	NC	PD	SWEDD
Number	56	123	29
Female/male	22/34	47/76	12/17
Age	60.7 $\pm$ 10.8	61.3 $\pm$ 9.0	60.3 $\pm$ 9.9
Sleep scores	6.4 $\pm$ 3.9	5.9 $\pm$ 3.3	8.8 $\pm$ 4.3
Olfaction scores	33.5 $\pm$ 4.1	22.5 $\pm$ 8.6	30.7 $\pm$ 7.0
Depression scores	5.1 $\pm$ 1.0	5.3 $\pm$ 1.5	5.8 $\pm$ 1.5
MoCA scores	28.1 $\pm$ 1.2	27.6 $\pm$ 2.1	27.0 $\pm$ 2.7