TABLE 1:

Inter-rater, inter-trial correlations

	Thalamus		Caudate Head		Cerebellum
	Volume	R/L VR	Volume	R/L VR	Volume	R/L VR
Investigator 1	5850	1.03	3314	0.98	73720	0.98
Investigator 2	5950	1.04	3218	1.00	74960	0.98
Statistical analyses	P < 0.001^*	P < 0.05^†	P < 0.001^*	P < 0.05^†	P < 0.0001^*	P < 0.05^†
	(r = 0.81)		(r = 0.82)		(r = 0.97)

Note.—R/L VR indicates right-to-left volume ratio. Mean volumes are expressed as mm³.
* Pearson correlation tests.
† Two-tailed t tests.