Table 1.

Subject characteristics

	Healthy controls	PSP patients	Disease controls
Part I of the study
Total number	8	10	2
Subgroups	NA	PSP-RS (n = 7), PSP-non-RS (n = 3)	PD (n = 1), FTD (n = 1)
Age, mean	70 years	71 years	66 years
Sex	female (n = 4), male (n = 4)	female (n = 5), male (n = 5)	male (n = 2)
Disease duration, mean	NA	39 months	NA
Part II of the study
Total number	15	15	10
Subgroups	NA	PSP-RS, (n = 12), PSP-non-RS (n = 3)	AD-DEM (n = 8), AD-MCI (n = 2)
Age, mean	69 years	69 years	67 years
Sex	male (n = 8), female (n = 7)	male (n = 7), female (n = 8)	male (n = 2), female (n = 8)
Disease duration, mean	NA	54 months	32 months