Altered Intrinsic Coupling between Functional Connectivity Density and Amplitude of Low-Frequency Fluctuation in Mild Cognitive Impairment with Depressive Symptoms

Table 1

Demographics and neuropsychological data.

	D-MCI group	nD-MCI group	/	value
Gender, n (M/F)	16 (6/10)	18 (7/11)	0.007	1.000
Age, years	69.6 ± 6.2	72.1 ± 9.7	0.898	0.376
Education, years	8.3 ± 2.1	8.5 ± 1.8	0.464	0.645
MMSE	26.6 ± 1.1	26.6 ± 1.0	−0.037	0.971
HAMD	11.7 ± 3.1	0	16.0652	0.000
D-NPI	7.19 ± 2.3	0	13.3614	0.000

Data represent mean ± SD. Data were analysed using independent-samples -tests. D-MCI: mild cognitive impairment with depression; nD-MCI: nondepressed mild cognitive impairment; M: male; F: female; MMSE: Mini-Mental State Examination; D-NPI: depression domain on the Neuropsychiatric Inventory; HAMD: Hamilton Depression Rating Scale.