| Male sex | 6 (42.9) | 35 (53.0) | 0.564 |
| Age (yr) | 61.9±14.6 | 62.2±14.2 | 0.955 |
| B-type natriuretic peptide (ng/L) | 154.4±265.7 | 445.3±1,016.1 | 0.152 |
| C-reactive protein (mg/L) | 5.8±7.8 | 15.5±29.5 | 0.962 |
| Homocysteine (μmol/L) | 10.1±4.0 | 11.2±3.8 | 0.248 |
| Lactate dehydrogenase (U/L) | 406.2±90.7 | 780.1±2,180.3 | 0.494 |
| Uric acid (mmol/L) | 267.7±88.0 | 372.9±132.1 | 0.004 |
| Total cholesterol (mmol/L) | 4.6±1.1 | 4.7±1.0 | 0.737 |
| LDL-C (mmol/L) | 3.3±1.0 | 3.0±0.9 | 0.184 |
| HDL-C (mmol/L) | 1.2±0.4 | 1.2±0.3 | 0.668 |
| Triglyceride (mmol/L) | 1.9±2.3 | 1.4±0.8 | 0.742 |