Table 2.

Test and retest striatal BP_ND (mean ± SD) values obtained from different models and reference regions (n = 5).

Reference region	SRTM		RLogan		aSUVr −1
	Test	Retest	Test	Retest	Test	Retest
Midbrain	5.81 ± 0.85	5.49 ± 0.94	5.96 ± 0.90	5.50 ± 1.04	6.37 ± 0.93	5.79 ± 1.10
Hippocampus	5.38 ± 0.38	5.02 ± 0.67	5.46 ± 0.39	5.10 ± 0.68	5.64 ± 0.42	5.34 ± 0.67
Cerebellum	5.72 ± 1.23	5.38 ± 1.15	5.87 ± 1.30	5.55 ± 1.16	6.37 ± 0.93	5.94 ± 1.40
Occipital cortex	5.69 ± 1.01	5.39 ± 0.89	5.79 ± 1.09	5.44 ± 0.94	6.05 ± 1.22	5.68 ± 1.24

^a$\mathrm{SU}{V}_r=\mathrm{SU}{V}_{\mathrm{striatum}}/\mathrm{SU}{V}_{\mathrm{reference}}$.

SD: standard deviation; SRTM: simplified reference tissue model; RLogan: reference tissue Logan plot.