Diffusion Kurtosis Imaging of Substantia Nigra Is a Sensitive Method for Early Diagnosis and Disease Evaluation in Parkinson’s Disease

Table 3

Correlation analyses of FA and MK for the SN with H-Y staging and UPDRS III scores.

Spearman	H-Y staging	UPDRS III score
FA for the SN	,	,
MK for the SN	,	,