. Author manuscript; available in PMC: 2015 Jun 3.

Published in final edited form as: Brain. 2007 Apr 30;130(0 7):1834–1846. doi: 10.1093/brain/awm086

Table 1.

Striatal dopamine transporter binding at baseline, 24 and 48 months

	Baseline	24 Months	48 Months	Controls
Caudate	2.69 ± 0.84^a	2.45 ± 0.66	2.14 ± 0.56^*	2.77 ± 0.44
Putamen	1.30 ± 0.51^**	1.15 ± 0.44^**	0.95 ± 0.32^**	2.38 ± 0.29

Mean striato-occipital ratio (SOR) values ± SD (see text).

P<0.05,

^**

P<0.001, compared to age-matched healthy control values (Student’s t-tests).