Table 2.

The statistical differences of age, MMSE, [¹⁸F]AV45, FDG, sex, and APOE status between each cluster

	Age	MMSE	[18F]AV45	[18F]FDG	Sex (F)	APOE (positive)
Cluster_0	74.79 ± 7.16	28.06 ± 2.72	1.14 ± 0.20	1.22 ± 0.14	43.92%	38.76%
Cluster_1	75.03 ± 7.84	28.56 ± 2.02	1.13 ± 0.19	1.27 ± 0.11	59.42%	36.07%
Cluster_2	76.13 ± 8.11	24.98 ± 4.66	1.37 ± 0.25	1.09 ± 0.12	51.57%	52.94%
Cluster_3	70.77 ± 6.64	28.95 ± 1.19	1.11 ± 0.17	1.30 ± 0.10	66.20%	43.79%
Test value (F/chi2)	15.78	74.12	31.96	26.04	30.07	13.88
p value	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.01
Tukey’s test significance	[0,3], [1–3]	[0,2], [0,3], [1–3]	[0,2], [1–3]	[0,2], [0,3], [1–3]