Table 1.
Clinical and biochemical characteristics of AF patients and controls.
| Characteristic | The controls (n = 96) | AF patients (n = 96) | P value |
|---|---|---|---|
| Clinical parameters | |||
| Age (years) | 77.81 ± 11.30 | 78.61 ± 11.64 | 0.629 |
| Male, n (%) | 96 (100) | 96 (100) | 1.000 |
| BMI (kg/m2) | 23.60 ± 2.83 | 24.25 ± 2.74 | 0.106 |
| Smoking, n (%) | 16 (16.67) | 21 (21.88) | 0.363 |
| History of CHD, n (%) | 21 (21.88) | 18 (18.75) | 0.593 |
| Hypertension, n (%) | 42 (43.75) | 47 (48.96) | 0.472 |
| Diabetes mellitus, n (%) | 15 (15.62) | 17 (17.71) | 0.700 |
| Hyperlipidemia | 24 (25.00) | 20 (20.83) | 0.495 |
| Antihypertensive medication, n (%) | 42 (43.75) | 46 (47.92) | 0.565 |
| Glucose lowering treatment, n (%) | 14 (14.58) | 15 (15.63) | 0.841 |
| Lipid-lowering medication, n (%) | 41 (42.71) | 34 (35.42) | 0.303 |
| SBP (mmHg) | 127.54 ± 11.10 | 129.02 ± 12.25 | 0.382 |
| DBP (mmHg) | 68.35 ± 8.74 | 70.42 ± 9.00 | 0.109 |
| Laboratory parameters | |||
| TC (mmol/L) | 3.67 ± 0.73 | 3.59 ± 0.73 | 0.464 |
| TG (mmol/L) | 1.22 ± 0.49 | 1.34 ± 0.58 | 0.107 |
| LDL-C (mmol/L) | 2.33 ± 0.71 | 2.21 ± 0.68 | 0.236 |
| HDL-C (mmol/L) | 1.26 ± 0.33 | 1.21 ± 0.30 | 0.283 |
| Cr (mmol/L) | 84.03 ± 15.88 | 88.82 ± 21.12 | 0.077 |
| BUN (mmol/L) | 6.30 ± 1.56 | 6.55 ± 1.83 | 0.299 |
| UA (mmol/L) | 311.02 ± 58.10 | 333.08 ± 76.18 | 0.025 |
| FBG (mmol/L) | 6.18 ± 0.96 | 6.15 ± 0.99 | 0.829 |
| GHb (%) | 6.02 ± 0.57 | 6.11 ± 0.66 | 0.311 |
| CRP (mg/dL) | 0.71 ± 0.46 | 0.84 ± 0.51 | 0.077 |
| Echocardiographic parameters | |||
| LVEF (%) | 60.06 ± 4.23 | 58.94 ± 3.87 | 0.056 |
| LAD (mm) | 37.54 ± 3.02 | 38.68 ± 4.02 | 0.028 |
Abbreviations: BMI: body mass index; CHD: coronary heart disease; SBP: systolic blood pressure; DBP: diastolic blood pressure; TC: total cholesterol; TG: triglyceride; LDL-C: low-density lipoprotein cholesterol; HDL-C: high-density lipoprotein cholesterol; Cr: creatinine; BUN: blood urea nitrogen; UA: uric acid; FBG: fasting blood glucose; GHb: glycated hemoglobin; CRP: C-reactive protein; LVEF: left ventricular ejection fraction; LAD: left atrial diameter. P < 0.05 with italic font means statistically significant.