Substantia Nigra Echogenicity Signal Correlated with Clinical Features in Patients with Parkinson’s Disease in Xinjiang

Table 3

Correlation analysis of the SNH area and clinical characteristics of PD patients.

Clinical features	Correlation coefficient (r)	value
Course of disease	−0.129	0.118
UPDRS3.0 I	0.020	0.852
UPDRS3.0 II	0.261	0.001
UPDRS3.0 III	−0.182	0.083
UPDRS3.0 IV	−0.053	0.633
H-Y staging	0.020	0.815
MoCA	0.014	0.890