Table 1. Baseline characteristics of the study subjects.
| Total | Male sex | Female sex | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Normouricemia (n = 1749) | Hyperuricemia (n = 393) | p-value | Normouricemia (n = 954) | Hyperuricemia (n = 238) | p-value | Normouricemia (n = 795) | Hyperuricemia (n = 155) | p-value | |
| Number of subjects | 1749 | 393 | 971 | 223 | 778 | 170 | |||
| Male sex | 55.5% | 56.7% | 0.694 | ||||||
| Age, years | 70.7 ± 6.0 | 70.7 ± 5.7 | 0.924 | 71.0 ± 6.0 | 70.5 ± 5.8 | 0.331 | 70.3 ± 6.0 | 70.9 ± 5.7 | 0.222 |
| BMI, kg/m2 | 22.5 ± 1.6 | 22.3 ± 1.6 | 0.129 | 22.4 ± 1.6 | 22.3 ± 1.7 | 0.670 | 22.5 ± 1.6 | 22.3 ± 1.6 | 0.066 |
| Systolic BP, mmHg | 120.5 ± 10.8 | 121.8 ± 9.0 | 0.032 | 120.2 ± 10.9 | 121.5 ± 8.9 | 0.095 | 120.9 ± 10.8 | 122.1 ± 9.2 | 0.174 |
| Diastolic BP, mmHg | 73.6 ± 7.5 | 73.9 ± 7.2 | 0.524 | 73.3 ± 7.6 | 74.2 ± 7.2 | 0.141 | 74.0 ± 7.4 | 73.5 ± 7.1 | 0.473 |
| Pulse rate, bpm | 73.1 ± 10.8 | 73.9 ± 9.6 | 0.169 | 73.4 ± 11.0 | 73.6 ± 8.9 | 0.817 | 72.8 ± 10.7 | 74.4 ± 10.4 | 0.070 |
| Current smoking | 27.4% | 59.8% | < 0.001 | 55.4% | 61.4% | < 0.001 | 13.9% | 25.9% | < 0.001 |
| Drinking habits | 36.7% | 68.2% | < 0.001 | 60.7% | 70.4% | < 0.001 | 14.9% | 28.2% | < 0.001 |
| Hemoglobin (g/dL) | 13.4 ± 1.3 | 14.3 ± 1.2 | < 0.001 | 13.5 ± 1.3 | 14.3 ± 1.2 | < 0.001 | 13.3 ± 1.2 | 14.2 ± 1.2 | < 0.001 |
| Total protein, g/dL | 7.2 ± 0.5 | 7.4 ± 0.6 | < 0.001 | 7.2 ± 0.5 | 7.3 ± 0.6 | < 0.001 | 7.1 ± 0.5 | 7.4 ± 0.6 | < 0.001 |
| Albumin, g/dL | 4.3 ± 0.4 | 4.4 ± 0.4 | < 0.001 | 4.3 ± 0.4 | 4.4 ± 0.4 | 0.092 | 4.3 ± 0.4 | 4.5 ± 0.4 | < 0.001 |
| Serum creatinine, mg/dL | 0.8 ± 0.1 | 0.9 ± 0.1 | < 0.001 | 0.8 ± 0.1 | 0.9 ± 0.1 | < 0.001 | 0.7 ± 0.1 | 0.8 ± 0.1 | < 0.001 |
| eGFR, ml/min per 1.73m2 | 86.1 ± 14.7 | 81.4 ± 12.5 | < 0.001 | 85.9 ± 13.7 | 81.1 ± 12.3 | < 0.001 | 86.5 ± 13.9 | 82.8 ± 12.6 | < 0.001 |
| SUA, mg/dL | 5.0 ± 0.9 | 8.6 ± 1.6 | < 0.001 | 5.1 ± 0.9 | 8.6 ± 1.8 | < 0.001 | 4.8 ± 0.8 | 8.6 ± 1.3 | < 0.001 |
| Triglycerides (mmol/L) | 1.5 ± 0.9 | 1.8 ± 1.0 | < 0.001 | 1.6 ± 0.9 | 1.8 ± 1.0 | < 0.001 | 1.5 ± 0.8 | 1.7 ± 1.2 | < 0.001 |
| Total-cholesterol (mmol/L) | 5.1 ± 1.1 | 5.3 ± 1.2 | < 0.001 | 5.1 ± 1.1 | 5.3 ± 1.1 | 0.018 | 5.1 ± 1.0 | 5.3 ± 1.4 | < 0.001 |
| LDL (mmol/L) | 3.3 ± 0.9 | 3.5 ± 0.9 | < 0.001 | 3.2 ± 0.9 | 3.5 ± 0.9 | < 0.001 | 3.3 ± 0.8 | 3.5 ± 1.0 | < 0.001 |
| HDL (mmol/L) | 1.7 ± 0.5 | 1.5 ± 0.4 | < 0.001 | 1.7 ± 0.5 | 1.4 ± 0.4 | < 0.001 | 1.7 ± 0.5 | 1.5 ± 0.4 | < 0.001 |
BMI = body mass index; BP = blood pressure; eGFR = estimated glomerular filtration rate; SUA = serum uric acid; LDL = low density lipoprotein; HDL = high density lipoprotein.