Table 1. Clinical characteristics and blood tests of study participants with and without atrial fibrillation.
| Characteristics | Non-AF cases (n = 3,999) | AF cases (n = 54) | P value |
|---|---|---|---|
| Age | 60.1 ± 11.2 | 67.0 ± 7.7 | < 0.001 |
| Male (%) | 1544 (38.6%) | 32 (59.3%) | 0.002 |
| Body mass index (kg/m2) | 24.5 ± 3.2 | 23.5 ± 3.2 | 0.024 |
| Waist circumference (cm) | 86.1 ± 8.8 | 86.8 ± 8.5 | 0.579 |
| Systolic blood pressure (mmHg) | 124.0 ± 19.6 | 122.9 ± 18.2 | 0.688 |
| Diastolic blood pressure (mmHg) | 79.4 ± 14.7 | 79.8 ± 10.0 | 0.838 |
| Heart rate (beats/min) | 68.4 ± 9.7 | 68.8 ± 12.9 | 0.810 |
| Total serum cholesterol (mg/dL) | 195.7 ± 37.4 | 184.1 ± 34.1 | 0.023 |
| HDL (mg/dL) | 45.6 ± 11.1 | 44.2 ± 11.7 | 0.337 |
| Triglycerides (mg/dL) | 149.0 ± 89.1 | 137.1 ± 64.4 | 0.329 |
| Blood glucose (mg/dL) | 102.7 ± 25.1 | 108.0 ± 26.9 | 0.120 |
| Serum uric acid (mg/dL) | 4.9 ± 1.4 | 5.5 ± 1.8 | 0.012 |
| Aspartate transaminase (U/L) | 26.2 ± 13.0 | 25.9 ± 8.2 | 0.864 |
| Alanine transaminase (U/L) | 23.8 ± 14.1 | 21.0 ± 7.8 | 0.011 |
| Blood urea nitrogen (mg/dL) | 15.1 ± 4.4 | 16.0 ± 4.6 | 0.139 |
| Creatinine (mg/dL) | 0.94 ± 0.21 | 1.02 ± 0.18 | 0.010 |
| C-reactive protein (mg/dL) | 1.60 ± 2.56 | 1.81 ± 2.75 | 0.563 |
| Serum Insulin, fasting (µU/mL) | 10.2 ± 5.3 | 9.5 ± 4.9 | 0.424 |
| Adiponectin (µg/mL) | 8.09 ± 4.81 | 10.13 ± 5.82 | 0.017 |
Data are presented as mean±standard deviations. AF, atrial fibrillation; HDL, high-density lipoprotein.