Table II.

Single factor analysis.

Group		CI group	NCI group	t/χ2	P
Number of cases		37	43
Age		65.38±8.93	64.92±9.31	0.22	0.823
Gender	Male	19	21	0.05
	Female	18	22
Education level	Primary school and below	11	13	0.028
	Junior high school and senior high school	17	19
	Junior college or above	9	11
Drink wine	Yes	12	14	0
	No	25	29
Smoke	Yes	13	16	0.037
	No	24	27
Systolic blood pressure ≥ 140 mmHg	Yes	23	14	7.011
	No	14	29
Coronary heart disease	Yes	12	17	0.434
	No	25	26
Hyperlipidemia	Yes	18	20	0.036
	No	19	23
Chronic obstructive pulmonary disease	Yes	7	10	0.224
	No	30	33
Atrial fibrillation	Yes	9	13	0.348
	No	28	30
High sensitivity C-reactive protein increased	Yes	28	20	7.048
	No	9	23
Elevated homocysteine	Yes	27	9	21.763
	No	10	34
APN(mg/L)		5.38±2.74	9.39±2.41	6.96
HB(g/L)		102.53±12.36	136.48±10.38	13.35

NCI, no cognitive impairment; CI, cognitive impairment; APN, adiponectin; Hb, hemoglobin.