Table 2.

MRI and PET-CT findings of the cohort.

	HC (n = 15)	T2DM (n = 18)	SCD (n = 8)	VD (n = 12)	AD (n = 17)
18-F Flutametamol PET-CT
Amyloid positive	NP	1	0	0	17
MRI
Normalized GM volume	0.40 ± 0.04aj	0.38 ± 0.03	0.40 ± 0.03bc	0.36 ± 0.02bj	0.35 ± 0.03ac
Fazakes Scale (periventricular/subcortical WM)	0.67 k/1.33	0.44de/1.28g	0.75f/1.25h	2.08dfk/2.25gh	1.41e/1.47
No abnormality in cerebral vessels*	15	9	7	4	6
Anterior/middle/posterior cerebral arteries –moderate to severe stenosis (>50%)	0	1	1	1	1
Vertebrobasilar arteries –moderate to severe stenosis (>50%)	0	0	0	1	0

ANCOVA with age ajustment and Bonferroni correction ^abcjp < 0.01.

Kruskal-Wallis test with pairwise comparison ^fhp < 0.05; ^degkp < 0.01.

PET-CT positron emission tomography computed tomography; GM grey matter; WM white matter; NP did not perform.

^*Chi-square test with p < 0.05.