Table 3.

Relationship of UHDRS Motor Domains^* and Probability of Diagnosis and Striatal Volumes in Cases.^‡

Variable	Probability of diagnosis		Striatal Volume†
	Partial R2ψ (n=732)	p-value	Partial R2ψ (n=490)	p-value
Oculomotor	0.07	<0.0001	0.09	<0.0001
Bradykinesia	0.14	<0.0001	0.11	<0.0001
Rigidity	0.01	0.05	0.01	0.02
Dystonia	0.02	0.0001	0.02	0.002
Chorea	0.06	<0.0001	0.07	<0.0001

^*Groupings based on factors by Marder et al. (2000).(19)

^‡Controlling for age and gender in the model.

^†Percent of total of intracranial volume.

^ψConsidering variables one at a time controlling for age and gender.