Table 2.
Participants’ characteristics at baseline according to serum uric acid levels
| UA2.0–2.9 (n = 247) |
UA3.0–3.9 (n = 1457) |
UA4.0–4.9 (n = 2883) |
UA5.0–5.9 (n = 2899) |
UA6.0–6.9 (n = 2010) |
UA7.0–7.9 (n = 1051) |
|
|---|---|---|---|---|---|---|
| Age* (years) | 50.9 ± 10.6 | 51.5 ± 11.4 | 53.8 ± 11.4 | 54.3 ± 11.7 | 52.9 ± 11.9 | 52.7 ± 11.6 |
| Sex* (male) | 28 (11.3) | 210 (14.4) | 745 (25.8) | 1718 (59.3) | 1653 (82.2) | 966 (91.9) |
| BMI* (kg/m2) | 21.3 ± 2.4 | 21.5 ± 2.6 | 22.3 ± 2.9 | 23.1 ± 2.9 | 23.8 ± 2.8 | 24.5 ± 3.0 |
| Systolic blood pressure* (mmHg) | 116.4 ± 16.7 | 118.3 ± 16.5 | 122.0 ± 17.5 | 124.4 ± 18.2 | 127.5 ± 17.5 | 129.3 ± 16.7 |
| Hemoglobin* (g/dL) | 12.6 ± 1.36 | 12.9 ± 1.35 | 13.4 ± 1.25 | 14.1 ± 1.24 | 14.6 ± 1.1 | 14.8 ± 1.1 |
| Albumin* (g/dL) | 4.42 ± 0.21 | 4.46 ± 0.21 | 4.48 ± 0.22 | 4.52 ± 0.22 | 4.56 ± 0.24 | 4.59 ± 0.24 |
| Alanine transferase* (IU/L) | 14 (11–18) | 15 (12–20) | 16 (13–22) | 19 (15–26) | 23 (16–31) | 25 (18–35) |
| Creatinine* (mg/dL) | 0.58 ± 0.10 | 0.61 ± 0.11 | 0.65 ± 0.12 | 0.73 ± 0.14 | 0.80 ± 0.14 | 0.85 ± 0.17 |
| Estimated GFR* (mL/min/1.73 m2) | 88.2 ± 8.0 | 86.8 ± 8.7 | 84.1 ± 8.9 | 82.3 ± 9.8 | 81.3 ± 10.9 | 79.7 ± 11.8 |
| Uric acid* (mg/dL) | 2.62 ± 0.24 | 3.55 ± 0.26 | 4.47 ± 0.28 | 5.44 ± 0.29 | 6.41 ± 0.28 | 7.38 ± 0.28 |
| Total cholesterol (mg/dL) | 197.5 ± 35.8 | 201.4 ± 35.2 | 204.2 ± 35.1 | 203.1 ± 34.4 | 202.3 ± 34.9 | 205.1 ± 33.7 |
| HDL cholesterol* (mg/dL) | 65.0 ± 14.4 | 64.8 ± 14.7 | 62.3 ± 15.1 | 57.7 ± 14.5 | 54.3 ± 14.0 | 52.0 ± 13.8 |
| Non-HDL cholesterol* (mg/dL) | 132.5 ± 33.9 | 136.6 ± 34.4 | 141.9 ± 34.9 | 145.4 ± 34.3 | 148.0 ± 35.5 | 153.1 ± 35.0 |
| Triglyceride* (mg/dL) | 73 (55–102) | 75 (58–102) | 83 (62–118) | 100 (73–137) | 114 (81–164) | 139 (99–197) |
| C-reactive protein* (mg/dL) | 0 (0–0.1) | 0 (0–0.1) | 0 (0–0.1) | 0.1 (0–0.1) | 0.1 (0- 0.1) | 0.1 (0–0.1) |
| Potential diabetes mellitus from baseline data | 6 (2.4) | 43 (3.0) | 129 (4.5) | 168 (5.8) | 103 (5.1) | 52 (4.9) |
| Dyslipidemia on treat | 0 | 5 (0.3) | 19 (0.7) | 14 (0.5) | 14 (0.7) | 7 (0.7) |
| Hypertension on treat* | 0 | 19 (1.3) | 77 (2.7) | 112 (3.9) | 69 (3.4) | 48 (4.6) |
| History of stroke | 0 | 0 | 5 (0.2) | 8 (0.3) | 4 (0.2) | 3 (0.3) |
| History of ischemic heart disease | 0 | 1 (0.1) | 15 (0.5) | 15 (0.5) | 5 (0.2) | 7 (0.7) |
According to the property of each datum, the data are expressed as mean and standard deviation, median and quartile range, or subject number and percentage
*P for trend < 0.05 (Jonckheere-Terpstra test for numerical data, Cochran-Armitage test for category data)