Table 2.
Baseline demographics and clinical features of the study population.
| Parameter | Patient group (n =162) | Control group (n =238) | p-value |
|---|---|---|---|
| Age (years) | 55.7 ± 9.3 | 56.4 ± 10.1 | 0.4828 |
| Gender (male/female) | 85/77 | 125/113 | 0.9919 |
| Family history of atrial fibrillation (%) | 38 (23) | 0 (0) | <0.0001* |
| History of ischemic stroke (%) | 7 (4) | 0 (0) | 0.0011* |
| History of implanted pacemaker (%) | 5 (3) | 0 (0) | 0.0094* |
| Body mass index (kg/m2) | 23.5 ± 2.1 | 23.8 ± 2.4 | 0.1978 |
| Systolic blood pressure (mmHg) | 128.4 ± 10.6 | 129.7 ± 12.3 | 0.2736 |
| Diastolic blood pressure (mmHg) | 83.1 ± 7.2 | 82.7 ± 6.8 | 0.5732 |
| Fasting blood glucose (mmol/L) | 4.6 ± 0.7 | 4.5 ± 0.6 | 0.1272 |
| Total cholesterol (mmol/L) | 3.7 ± 0.8 | 3.6 ± 0.6 | 0.1543 |
| Triglyceride (mmol/L) | 1.5 ± 0.5 | 1.5 ± 0.4 | 1.0000 |
| Left atrial diameter (mm) | 38.5 ± 8.1 | 36.2 ± 7.0 | 0.0026* |
| Left ventricular ejection fraction (%) | 63.0 ± 8.5 | 63.7 ± 7.6 | 0.3894 |
| Resting heart rate (beats/min) | 75.2 ± 18.5 | 74.8 ± 12.3 | 0.7952 |
| History of alcohol consumption (%) | 15 (9) | 23 (10) | 0.8922 |
| History of smoking (%) | 12 (7) | 20 (8) | 0.7185 |
Data are expressed as mean with standard deviation for a continuous variable or number with percentage for a categorical variable.
* indicates significant difference between the two groups.