Striatal [123I]β-CIT binding in the subject groups
| PD (n = 92) | P+ (n = 12) | DLB (n = 5) | VP (n = 15) | DIP (n = 12) | Dystonia (n = 5) | ET (n = 16) | Psy (n = 20) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Values are mean (SD). | ||||||||||||||||
| Parkinson+ group includes four patients with progressive supranuclear palsy and eight with multiple system atrophy. | ||||||||||||||||
| **p<0.01, ***p<0.001 v Parkinson’s disease (unequal n honest significance post hoc test after ANOVA). | ||||||||||||||||
| Cau, caudate; contra, contralateral to the clinically more affected side; DIP, drug induced parkinsonism; DLB, dementia with Lewy bodies; ET, essential tremor; ipsi, ipsilateral to the more affected side; P+, Parkinson plus syndromes; PD, Parkinson’s disease; Psy, reference cases with psychogenic parkinsonism; Put, putamen; Str, striatum; VP, vascular parkinsonism. | ||||||||||||||||
| Strcontra | 3.2 (0.7) | 3.4 (1.3) NS | 3.2 (0.9) NS | 4.9(0.7)*** | 5.9(0.8)*** | 6.7(1.9)*** | 6.2(0.8)*** | 6.5 (1.0) | ||||||||
| Stripsi | 3.7 (0.8) | 3.7 (1.3) NS | 3.5 (0.8) NS | 5.6(0.7)*** | 6.0(0.8)*** | 6.8 (1.9)** | 6.4(0.9)*** | 6.7 (1.1) | ||||||||
| Caucontra | 4.4 (1.1) | 4.5 (1.7) NS | 4.0 (1.1) NS | 6.2 (1.0)** | 7.1(1.2)*** | 8.4 (1.6)*** | 7.6(0.9)*** | 7.6 (0.9) | ||||||||
| Cauipsi | 5.0 (1.1) | 5.0 (1.5) NS | 4.5 (1.0) NS | 6.9 (0.9)*** | 7.3(1.2)*** | 8.7(1.7)** | 7.8(0.9)*** | 7.8 (0.9) | ||||||||
| Putcontra | 2.4 (0.5) | 2.9 (1.4) NS | 2.8 (1.0) NS | 4.4(1.1)*** | 5.7(0.7)*** | 6.4(1.1)*** | 6.1(0.9)*** | 6.3 (1.2) | ||||||||
| Putipsi | 2.9 (0.8) | 3.2(1.5) NS | 3.1(1.0) NS | 5.1(1.0)*** | 6.0(0.8)*** | 6.7(1.2)*** | 6.3(0.9)*** | 6.6 (1.2) | ||||||||