Nonalcoholic Fatty Liver Disease Is Associated with Increased Atrial Fibrillation Risk in an Elderly Chinese Population: A Cross-Sectional Study
Table 1
Clinical characteristics of study participants stratified by AF status.
Characteristic
All (n=1688)
Without AF (n=1649)
With AF (n=39)
t value
P-value
Gender (n) (male/female)
930/758
900/749
30/9
7.68
0.006
Age (years)
72 (68-76)
72 (68-76)
76 (71-79)
3.09
0.002
Body mass index (kg/m2)
23.8±2.9
23.8±2.9
24.4±3.5
1.132
0.265
Systolic blood pressure (mmHg)
135.3±17.3
135.4±17.3
131.4±18.5
-1.422
0.155
Diastolic blood pressure (mmHg)
74.6±10.2
74.6±10.2
76.8±10.0
1.360
0.174
Total cholesterol (mmol/L)
4.9±1.0
4.9±1.0
4.7±1.3
-1.068
0.292
High-density lipoprotein (mmol/L)
1.7±0.4
1.7±0.4
1.7±0.4
0.176
0.860
Low-density lipoprotein (mmol/L)
2.6±0.8
2.6±0.8
2.4±1.0
-1.096
0.280
Triglycerides (mmol/L)
1.15 (0.85-1.62)
1.15 (0.86-1.62)
1.05 (0.72-1.56)
1.16
0.224
Aspartate aminotransferase (U/L)
23 (20-27)
23 (20-27)
26 (21-36)
2.14
0.032
Alanine aminotransferase (U/L)
17 (13-23)
17 (13-23)
18 (14-27)
1.14
0.254
γ-glutamyl transpeptidase (U/L)
21 (16-31)
21 (16-31)
35 (23-78)
4.75
0.001
Albumin (g/L)
45.5±2.7
45.5±2.7
45.2±2.3
-0.670
0.503
Fasting plasma glucose (mmol/L)
5.34 (4.93-5.96)
5.33 (4.93-5.96)
5.52 (4.85-5.94)
0.30
0.763
Serum uric acid (µmol/L)
340±85.9
339±85.2
394±100.0
3.932
0.001
NAFLD (%)
30.9
30.6
46.2
4.33
0.037
Data are expressed as mean ± SD, median (IOQ), or percentage; a indicates χ2 test; b indicates Mann–Whitney U test. NAFLD, nonalcoholic fatty liver disease; AF, atrial fibrillation.