Table 2.

Significant correlations between PDQ-39 and UPDRS subscales for NTD and TD subjects.

UPDRS subscales	NTD		TD
	PDQ-39 subscales
	ADL	Communication	Cognition	Communication
Rigidity	0.67*	NS	NS	0.74**
Bradykinesia	0.67**	0.59**	NS	NS
Speech	0.54*	NS	NS	NS
DA-dependent	0.69**	0.61**	NS	NS
Facial expression	NS	0.66**	NS	NS
Axial	NS	NS	0.59*	NS

**P < .01,

*P < .02.