Frequency-Dependent Amplitude Alterations of Resting-State Spontaneous Fluctuations in Late-Onset Depression

Table 1

Demographic and neuropsychological data between LOD group and NC group.

Item	LOD group; ()	NC group; ()		value
Age (years)	68.13 ± 5.24	68.25 ± 4.60	−0.072	0.943^a
Gender (male : female)	8 : 8	8 : 8	0.000	1.000^b
Education level (years)	10.88 ± 3.96	13.06 ± 2.74	−1.533	0.125^c
HDRS	29.75 ± 5.07	1.94 ± 2.57	−4.858	0.000^c
HARS	27.69 ± 7.12	1.81 ± 2.40	−4.809	0.000^c
MMSE	28.81 ± 1.52	29.5 ± 0.82	−1.154	0.248^c
AVLT-delayed recall	28.88 ± 4.80	36.31 ± 6.61	2.961	0.010^a
Processing speed	0 ± 1.73	0 ± 1.79	0.006	0.995^a
DST	10.88 ± 1.78	13.69 ± 1.78	−3.824	0.000^c
VFT	24.81 ± 6.91	39.38 ± 7.64	4.870	0.000^a
TMT-B	170.14 ± 59.04	152.11 ± 31.17	−1.144	0.270^a

Note: LOD: late-onset depression; NC: normal controls; HDRS: Hamilton Depression Scale; HARS: Hamilton Anxiety Scale; MMSE: Mini Mental State Examination; AVLT-delayed recall: Auditory Verbal Learning Test-delayed recall; processing speed included the normalized symbol digit modalities test (SDMT) and Trail making test-A (TMT-A); DST: digit span test-forward and backward; VFT: verbal fluency test-animal and verb; TMT-B: trail making test-B.
^aTwo independent sample -tests.
^bChi-square test.
^cMann-Whitney test.