Table 2 Characteristics of the female participants grouped according to serum uric acid levels
| Â | Serum uric acid quartile | P for trend | |||
|---|---|---|---|---|---|
1st (low) | 2nd | 3rd | 4th (high) | ||
Women (n = 765) | |||||
 Number of participants | 204 | 172 | 195 | 194 |  |
 Serum uric acid (mg/dL) | ≤3.8 | 3.9–4.3 | 4.4–4.9 | ≥5.0 |  |
 eGFR (mL/min/1. 73m2), mean (SD) | 98.1 (16.0) | 91.0 (14.2) | 89.5 (14.1) | 84.1 (13.5) | <  0.001 |
 Age (years), mean (SD) | 56.3 (9.2) | 58.1 (8.6) | 57.5 (8.7) | 59.7 (7.9) | <  0.001 |
 BMI (kg/m2), mean (SD) | 20.0 (2.1) | 21.0 (2.5) | 20.8 (2.6) | 22.1 (3.1) | <  0.001 |
 SBP (mmHg), mean (SD) | 109 (15) | 113 (16) | 114 (17) | 117 (18) | <  0.001 |
 DBP (mmHg), mean (SD) | 66 (9) | 69 (10) | 69 (11) | 72 (11) | <  0.001 |
 HbA1c (%), mean (SD) | 5.6 (0.6) | 5.5 (0.4) | 5.5 (0.3) | 5.6 (0.4) | 0.865 |
 HDL-C (mg/dL), mean (SD) | 72 (15) | 72 (15) | 71 (15) | 71 (17) | 0.279 |
 LDL-C (mg/dL), mean (SD) | 129 (27) | 136 (29) | 133 (30) | 139 (28) | 0.005 |
 TG (mg/dL), median (IQR) | 63 (49, 89) | 70 (58, 105) | 68 (64, 120) | 82 (74, 154) | <  0.001 |
 Postmenopause, n (%) | 136 (67) | 140 (81) | 148 (76) | 170 (88) | <  0.001 |
 Current smoker, n (%) | 6 (3) | 3 (2) | 4 (2) | 2 (1) | 0.213 |
 Current alcohol drinker, n (%) | 62 (30) | 58 (34) | 85 (44) | 75 (39) | 0.023 |
 Current alcohol intake, ethanol (g/day)a, median (IQR) | 5 (3, 13) | 7 (2, 14) | 7 (3, 13) | 11 (3.4, 17) | 0.559 |
 Estimated salt intake, g/day (SD) | 8.2 (1.8) | 8.5 (1.8) | 8.1 (1.7) | 8.2 (1.9) | 0.655 |