Table 3.

Clinical/imaging correlations at each time point

Baseline2 years4 years
Putamen metabolism (normalized)
    Limb UPDRS (Motor)0.40*0.290.37
    Putamen DAT binding−0.45*−0.46*−0.19
    PDRP expression0.020.240.03
    PDCP expression0.220.23−0.01
Anterior cingulate metabolism (normalized)
    Limb UPDRS (motor)−0.190.27−0.39
    Putamen DAT binding−0.18−0.12−0.05
    PDRP expression0.080.100.28
    PDCP expression−0.39*−0.69***−0.63**
  • *p < 0.05,

  • **p < 0.01,

  • ***p < 0.001, Pearson's correlation coefficients from data across the contralateral and ipsilateral hemispheres.