TABLE 1

¹⁸F-MNI-659 V_T Test–Retest for 2TCM, 1TCM, and Logan for 90-Minute Acquisitions

		Caudate		Putamen		Globus pallidus		Cerebellum
Model	Parameter	Scan 1	Scan 2	Scan 1	Scan 2	Scan 1	Scan 2	Scan 1	Scan 2
2TCM	V_T	1.74 ± 0.63	1.64 ± 0.47	2.81 ± 0.95	2.57 ± 0.65	2.95 ± 0.99	2.67 ± 0.75	0.49 ± 0.16	0.47 ± 0.10
	Variability^*	31% ± 11%		31% ± 9%		28% ± 11%		29% ± 10%
	ICC^*	0.55		0.42		0.57		0.40
1TCM	V_T	1.66 ± 0.60	1.57 ± 0.48	2.61 ± 0.88	2.40 ± 0.69	2.62 ± 0.91	2.38 ± 0.74	0.36 ± 0.13	0.35 ± 0.09
	Variability^*	31% ± 11%		33% ± 10%		33% ± 8%		34% ± 10%
	ICC^*	0.55		0.45		0.52		0.41
Logan	V_T	1.71 ± 0.58	1.64 ± 0.49	2.74 ± 0.87	2.54 ± 0.72	2.80 ± 0.90	2.55 ± 0.80	0.56 ± 0.17	0.55 ± 0.16
	Variability^*	30% ± 13%		32% ± 11%		32% ± 10%		30% ± 18%
	ICC^*	0.53		0.42		0.53		0.43

↵* Variability and ICC are for both scan 1 and scan 2.
n = 5, mean ± SD.