Table 4.

Uptake values of ¹²³I-ioflupane SPECT

	RBD patients	Healthy controls	Parkinson’s disease patients
Striatum	2.93 ± 0.45	3.26 ± 0.30	2.15 ± 0.52***,†
Caudate	3.19 ± 0.70	3.43 ± 0.43	2.47 ± 0.53**,†
Putamen	2.69 ± 0.39	3.10 ± 0.29	1.86 ± 0.54***,†
Anterior putamen	3.03 ± 0.46	3.50 ± 0.33	2.20 ± 0.63***
Posterior putamen	2.32 ± 0.44	2.67 ± 0.32	1.30 ± 0.44***,†

Data represent mean ± 1 SD.

*P < 0.05, ^**P < 0.01, ^***P < 0.001. Comparison to *controls, or ^†RBD at P < 0.05