Diagnostic dynamic contrast-enhanced magnetic resonance imaging blood-brain barrier assessment combined with plasma biomarkers for mild cognitive impairment

Table 1 Comparison of general information among three groups, mean ± SD

Characteristic	Control group (n = 55)	na-MCI group (n = 50)	a-MCI group (n = 52)	F value	P value
Age (years)	70.24 ± 3.44	71.18 ± 4.29	71.33 ± 4.82	1.063	0.348
Gender				0.062	0.969
Male	32	30	30
Female	23	20	22
Body mass index (kg/m2)	23.22 ± 2.10	23.40 ± 1.23	22.83 ± 1.24	1.685	0.189
Marital status				1.109	0.575
Married or remarried	37	29	31
Unmarried or divorced	18	21	21
Education level				12.484	0.014
Illiteracy	7	14	20
Primary school	19	21	16
Secondary school and above	29	15	16
Occupation				3.414	0.491
Unemployed	11	15	18
Farmer	25	20	17
Retired	19	15	17
Living conditions				3.228	0.199
Solitary	17	24	21
Non-solitary	38	26	31
Regular exercise				9.040	0.011
With	39	24	23
Without	16	26	29
History of smoking	28	35	33	4.193	0.123
History of drinking	28	33	35	3.166	0.205
Hypertension	31	32	30	0.709	0.702
Diabetes mellitus	24	23	26	0.442	0.802
Hyperlipidemia	27	22	25	0.300	0.861
APOE carrier		12	15	0.308	0.579

a-MCI: Amnestic mild cognitive impairment; na-MCI: Non-amnestic mild cognitive impairment.