Table 3.

Semi-quantitative results of uptake ratio ((mean activity of target ROI – mean activity reference)/mean activity reference) in striatum, caudate and putamen of patients with early onset or late onset of Parkinson’s disease (PD)

Early or Late Onset PD	Left Striatum	Right Striatum	Left Caudate	Right Caudate	Left Putamen	Right Putamen
Early Onset PD (6)	0.35±0.22	0.49±0.25	0.62±0.55	0.47±0.39	0.36±0.25	0.25±0.27
Late Onset PD (9)	0.27±0.21	0.45±0.26	0.38±0.29	0.45±0.36	0.29±0.19	0.40±0.36
Total (15)	0.30±0.21	0.47±.25	0.48±0.41	0.46±0.36	0.32±0.21	0.34±0.31