Table 2.

Correlation Analysis for University of Florida Cohort

UF Free-water metrics vs. Demographic Information	Rho,ρ	P-value, uncorrected	FDR corrected p-value
SN Free-water vs. MoCA
Control	−0.37	0.11	0.20
Parkinson’s	−0.48	0.01	0.03
All Groups	−0.50	<.001	0.002
SN Free-water vs. UPDRS
Control	.151	0.53	0.60
Parkinson’s	.151	0.44	0.57
All Groups	0.49	<.001	0.002
SN Free-water vs. Age
Control	0.39	0.09	0.20
Parkinson’s	−0.01	0.96	0.96
All Groups	0.17	0.25	0.38