Fig. 4
Heatmap for the correlation analyses of demographic, clinical, and neuroimaging data. Presented are Pearson’s correlation coefficients (thresholded with a p-value of > .05) as exploratory analyses (color-coded for negative and positive coefficients, see right scale). 31P-MRSI: 31Phosphorus magnetic resonance spectroscopy imaging. CNR contrast-to-noise ratio, LEDD levodopa equivalent daily dosage, MDS-UPDRS Movement Disorders Society Unified Parkinson’s Disease Rating Scale, SWI susceptibility-weighted imaging