| Age/year | 53.5±10.4 | 50.8±11.1 | 1.07 | 0.287 |
| Body mass index/(kg·m-2) | 26.0±3.5 | 25.3±3.2 | 0.89 | 0.375 |
| Clinic blood pressure/mmHg | | | | |
| Systolic | 145.6±22.6 | 142.0±19.3 | 0.74 | 0.459 |
| Diastolic | 87.8±17.4 | 85.9±14.9 | 0.52 | 0.607 |
| Ambulatory blood pressure/mmHg | | | | |
| 24-hour systolic | 137.2±20.0 | 133.1±15.1 | 1.01 | 0.318 |
| 24-hour diastolic | 87.1±15.1 | 84.8±11.2 | 0.76 | 0.453 |
| Pulse rate/(beats·min-1) | 73.5±8.5 | 74.7±10.4 | -0.50 | 0.615 |
| Total-to-HDL cholesterol ratio | 4.58±1.27 | 4.21±1.09 | 1.36 | 0.178 |
| Serum LDL cholesterol/(mmol·L-1) | 3.10±0.75 | 2.95±0.80 | 0.80 | 0.428 |
| Plasma fasting glucose/(mmol·L-1) | 5.48±0.63 | 5.59±1.07 | -0.51 | 0.609 |
| eGFR/[mL·(min·1.73 m2)-1] | 73.4±13.8 | 103.6±9.6 | -10.88 | <0.001 |
| Serum uric acid/(µmol·L-1) | 399.7±100.2 | 311.0±92.4 | 3.96 | <0.001 |
| Serum hsCRP/(mg·L-1)① | 0.99 (0.68‒2.02) | 0.71 (0.42‒1.79) | 0.82 | 0.414 |
| Serum OGN concentration/(ng·mL-1) | 2.55±1.30 | 2.45±1.01 | 0.38 | 0.708 |
| Female/n(%) | 16 (44.4) | 19 (50.0) | 0.229 | 0.632 |
| Current smoking/n(%) | 12 (33.3) | 13 (34.2) | 0.006 | 0.936 |
| Current alcohol intake/n(%) | 6 (16.7) | 7 (18.4) | 0.039 | 0.843 |
| History of cardiovascular diseases/n(%) | 3 (8.3) | 6 (15.8) | 0.962 | 0.327 |
| Use of antihypertensive drugs/n(%) | 36 (100.0) | 37 (97.4) | 0.960 | 0.327 |
| Angiotensin-converting enzyme inhibitors | 9 (25.0) | 6 (15.8) | 0.970 | 0.325 |
| Angiotensin-receptor blockers | 16 (44.4) | 22 (57.9) | 1.339 | 0.247 |
| Calcium channel blockers | 31 (86.1) | 29 (76.3) | 1.156 | 0.282 |
| Diuretics | 7 (19.4) | 5 (13.2) | 0.538 | 0.463 |
| β-blockers | 15 (41.7) | 15 (39.5) | 0.037 | 0.848 |
| Others | 7 (19.4) | 9 (23.7) | 0.196 | 0.658 |
| Albuminuria/n(%) | 10 (27.8) | 0 (0) | 12.205 | <0.001 |