Table 4.

Comparison of Cortical Amyloid-β Deposition Between Patients Without Depression and With Depression Having MCI and AD.

	Not Depressed MCI (n = 80)		Depressed MCI (n = 80)
Region of Interests	Mean	SD	Mean	SD	P
A. MCI
Frontal	1.39	0.28	1.35	0.29	.98
Cingulate	1.48	0.29	1.43	0.30	.99
Parietal	1.39	0.28	1.35	0.27	.94
Temporal	1.30	0.26	1.26	0.23	.96
Global	1.19	0.21	1.19	0.22	.97
	Not Depressed AD (n= 22)		Depressed AD (n= 22)
Region of Interests	Mean	SD	Mean	SD	P
B. AD
Frontal	1.51	0.28	1.58	0.33	.37
Cingulate	1.59	0.28	1.64	0.31	.42
Parietal	1.51	0.28	1.57	0.32	.31
Temporal	1.44	0.28	1.50	0.30	.32
Global	1.33	0.22	1.39	0.27	.49

Abbreviations: AD, Alzheimer disease; MCI, mild cognitive impairment; SD, standard deviation.