Correlation between Body Mass Index and Cognitive Function in Patients with Atrial Fibrillation

Table 2

Univariate analysis of cognitive dysfunction in patients with atrial fibrillation.

Covariate	X ± S/N (%)	F	value
Age (year)	67.28 ± 10.33	1.522	0.025
Sex, n (%)
Male	135 (55.3)	14.440	<0.001
Female	109 (44.7)
Smoking or not, n (%)		3.848	0.010
Current smoker	53 (21.5)
Nonsmoker	145 (58.9)
Quit	46 (19.6)
Alcohol consumption, n (%)		4.544	0.012
Current drinker	46 (18.7)
Nondrinker	176 (71.5)
Quit	22 (8.9)
Marital status, n (%)		0.264	0.851
Unmarried/divorce	2 (0.8)
Married	211 (85.8)
Widowed	31 (12.6)
Degree of education, n (%)		17.404	<0.001
Illiterate	81 (32.9)
Primary and junior high school	113 (45.9)
High school	32 (13.0)
Undergraduate and above	18 (7.3)
Living condition, n (%)		0.456	0.713
Live alone	15 (6.1)
Living with a spouse	198 (80.5)
Living with children	28 (11.4)
Other	3 (11.2)
Aspirin, n (%)		1.704	0.193
No	157 (63.8)
Yes	87 (35.4)
Warfarin, n (%)		1.301	0.255
No	215 (87.4)
Yes	29 (11.8)
History of myocardial infarction, n (%)		0.195	0.659
No	225 (92.2)
Yes	19 (7.8)
Cerebral infarction history, n (%)		0.209	0.648
No	203 (83.2)
Yes	41 (16.8)
Diabetes mellitus, n (%)		0.199	0.656
No	184 (75.4)
Yes	60 (24.6)
Hypertension, n (%)		0.141	0.708
No	111 (45.5)
Yes	133 (54.5)
Valvular disease, n (%)		1.642	0.201
No	164 (67.2)
Yes	80 (32.8)
Hyperlipidemia, n (%)		7.795	0.006
No	235 (96.3)
Yes	9 (3.7)
Coronary artery disease, n (%)		0.395	0.530
No	48 (19.7)
Yes	196 (80.3)
Heart failure, n (%)		1.179	0.279
No	105 (43.0)
Yes	139 (57.0)
SBP (mmHg)	126.80 ± 21.74	0.864	0.770
DBP (mmHg)	78.04 ± 15.09	0.906	0.672
D-dimer (mg/L)	0.92 ± 0.48	0.764	0.925
LVEF (%)	50.42 ± 11.77	0.875	0.705
Creatinine (umol/L)	74.30 ± 30.21	0.967	0.576
FT4 (pmol/L)	18.77 ± 9.33	0.950	0.610
FT3 (pmol/L)	4.84 ± 3.35	0.868	0.750
Left atrial diameter	47.34 ± 9.31	1.016	0.454

SBP, systolic blood pressure; DBP, diastolic blood pressure; FT3, free triiodothyronine; FT4, free thyroxine.