The Evaluation of Tau Deposition with [¹⁸F]PI-2620 by Using a Semiquantitative Method in Cognitively Normal Subjects and Patients with Mild Cognitive Impairment and Alzheimer’s Disease

Table 2

Mean SUVr with SD as well as value and value from one-way ANOVA test in cognitively normal (CN), mild cognitive impairment (MCI), and Alzheimer disease (AD) groups.

Regions	NC		MCI		AD		value	ratio
	Mean SUVR	SD	Mean SUVR	SD	Mean SUVR	SD
Hippocampus	1.1	0.12	1.12	0.19	1.14	0.21	0.83	0.19
Fusiform gyrus	1.06	0.09	1.08	0.11	1.49	0.86	≤0.001	6.09
Middle temporal	1.06	0.08	1.05	0.08	1.22	0.48	0.07	2.80
Inferior temporal	1.07	0.07	1.06	0.10	1.46	0.80	≤0.001	6.38
Superior temporal	0.98	0.08	0.95	0.07	1.06	0.28	0.06	2.99
Supramarginal	1.02	0.10	0.97	0.07	1.25	0.60	0.01	5.16
Orbitofrontal	1.00	0.09	0.97	0.07	1.13	0.31	0.02	4.37
Posterior cingulate	1.10	0.12	1.07	0.11	1.23	0.43	0.13	2.07
Parahippocampus	1.01	0.10	1.03	0.15	1.16	0.45	0.52	1.44
Lingual	1.08	0.11	1.07	0.12	1.29	0.41	0.01	4.91
Occipital	1.08	0.09	1.06	0.08	1.46	0.57	≤0.001	11.75
Precuneus	1.02	0.12	1.00	0.07	1.27	0.45	≤0.001	7.56
Parietal	1.01	0.13	0.98	0.06	1.27	0.45	≤0.001	8.25
Caudate	0.80	0.13	0.77	0.13	0.70	0.14	0.26	1.39
Putamen	1.04	0.14	1.00	0.13	1.03	0.24	0.53	0.65
Thalamus	0.98	0.11	0.96	0.12	0.94	0.14	0.66	0.41
Basal ganglia	1.02	0.13	0.98	0.13	0.94	0.18	0.31	1.19
White matter	1.12	0.14	1.08	0.12	1.16	0.28	0.33	1.13