Research Article

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.

CharacteristicAll (n=1688)Without AF (n=1649)With AF (n=39)t valueP-value

Gender (n) (male/female)930/758900/74930/97.680.006
Age (years)72 (68-76)72 (68-76)76 (71-79)3.090.002
Body mass index (kg/m2)23.8±2.923.8±2.924.4±3.51.1320.265
Systolic blood pressure (mmHg)135.3±17.3135.4±17.3131.4±18.5-1.4220.155
Diastolic blood pressure (mmHg)74.6±10.274.6±10.276.8±10.01.3600.174
Total cholesterol (mmol/L)4.9±1.04.9±1.04.7±1.3-1.0680.292
High-density lipoprotein (mmol/L)1.7±0.41.7±0.41.7±0.40.1760.860
Low-density lipoprotein (mmol/L)2.6±0.82.6±0.82.4±1.0-1.0960.280
Triglycerides (mmol/L)1.15 (0.85-1.62)1.15 (0.86-1.62)1.05 (0.72-1.56)1.160.224
Aspartate aminotransferase (U/L)23 (20-27)23 (20-27)26 (21-36)2.140.032
Alanine aminotransferase (U/L)17 (13-23)17 (13-23)18 (14-27)1.140.254
γ-glutamyl transpeptidase (U/L)21 (16-31)21 (16-31)35 (23-78)4.750.001
Albumin (g/L)45.5±2.745.5±2.745.2±2.3-0.6700.503
Fasting plasma glucose (mmol/L)5.34 (4.93-5.96)5.33 (4.93-5.96)5.52 (4.85-5.94)0.300.763
Serum uric acid (µmol/L)340±85.9339±85.2394±100.03.9320.001
NAFLD (%)30.930.646.24.330.037

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.