Genetic Influences on Cognition in Idiopathic Parkinson’s Disease

Table 5

Correlations between the duration of illness and rating scales in Group I and Group II patients.

	Group I			Group II
	No	Correlation coefficient	P value	No	Correlation coefficient	P value
PDCRS	14	-0.175	0.550	36	-0.032	0.852
UPDRS	14	0.208	0.476	36	0.055	0.749