A moderate negative correlation for the left cerebral WM and the less affected caudate ( r = −0.48) and less affected putamen ( r = −0.43) did not reach statistical significance ( p = 0.054 and 0.085, respectively).
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Molecular Imaging of Striatal Dopaminergic Neuronal Loss and the Neurovascular Unit in Parkinson Disease.
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The sentences
Stratification based on MDS-UPDRS score into groups of mild disease-MDS ≤ 32 and moderate disease-MDS-UPDRS > 32 did not reveal a clear trend for rCBF values, although Pearson correlation analysis did demonstrate a weak negative correlation between MDS-UPDRS and cerebellar rCBF values.