SURs of 18F-DTBZin Defined Regions of PD Patients and HCs
| Region | HC (n = 17) | PD (n = 30) | P | Percentage of decline |
| RN | 1.2 ± 0.3 | 1.1 ± 0.2 | 0.5208 | — |
| C-Cau | 2.5 ± 0.4 | 1.6 ± 0.5 | <0.0001 | 36% |
| C-APu | 2.9 ± 0.5 | 1.2 ± 0.4 | <0.0001 | 59% |
| C-PPu | 2.8 ± 0.4 | 0.5 ± 0.2 | <0.0001 | 81% |
| C-SN | 1.1 ± 0.2 | 0.7 ± 0.2 | <0.0001 | 39% |
| C-HPC | 0.3 ± 0.1 | 0.3 ± 0.1 | 0.5724 | — |
| C-AMG | 0.5 ± 0.1 | 0.5 ± 0.2 | 0.2362 | — |
| C-NAc | 1.6 ± 0.7 | 0.8 ± 0.3 | <0.0001 | 47% |
| I-Cau | 2.4 ± 0.5 | 1.9 ± 0.5 | 0.0011 | 20% |
| I-APu | 2.9 ± 0.5 | 1.6 ± 0.5 | <0.0001 | 45% |
| I-PPu | 2.8 ± 0.5 | 0.9 ± 0.4 | <0.0001 | 67% |
| I-SN | 1.2 ± 0.3 | 0.8 ± 0.3 | 0.0001 | 31% |
| I-HPC | 0.3 ± 0.1 | 0.3 ± 0.1 | 0.8248 | — |
| I-AMG | 0.5 ± 0.1 | 0.5 ± 0.2 | 0.3191 | — |
| I-NAc | 1.6 ± 0.5 | 1.0 ± 0.5 | 0.0008 | 35% |
| C-DLPFC | 1.1 ± 0.1 | 0.9 ± 0.1 | 0.0119 | 18% |
C (contralateral) = brain regions located opposite to symptomatic limbs (PD group) or right brain (HC group); I (ipsilateral) = brain regions located at side with clinical symptoms or left brain (HC group); DLPFC = dorsolateral prefrontal cortex.