Table 1 Clinical characteristics of the study participants
From: Population-specific factors associated with fractional excretion of uric acid
| All n = 1713 | Eastern Polynesian n = 483 | Western Polynesian n = 282 | New Zealand European n = 948 | |
|---|---|---|---|---|
| Age, mean (SD), years | 54.1 (17.5) | 50.0 (17.1) | 43.7 (16.5) | 59.4 (15.9) |
| Male sex, n (%) | 1227 (71.6) | 286 (59.2) | 179 (63.5) | 762 (80.4) |
| BMI, mean (SD), kg/m2 | 30.8 (6.8) | 32.6 (7.7) | 34.0 (6.5) | 28.9 (5.7) |
| < 25 kg/m2, n (%) | 325 (19.0) | 65 (13.5) | 22 (7.8) | 238 (25.1) |
| ≥ 25 kg/m2 and < 30 kg/m2, n (%) | 549 (32.0) | 122 (25.3) | 50 (17.7) | 377 (39.8) |
| ≥ 30 kg/m2, n (%) | 839 (49.0) | 296 (61.3) | 210 (74.5) | 333 (35.1) |
| Current alcohol intake, n (%) | 1002 (58.5) | 208 (43.1%) | 101 (35.8) | 693 (73.1) |
| Gout, n (%) | 896 (52.3) | 206 (42.7) | 124 (44.0) | 566 (59.7) |
| Allopurinol use, n (%) | 709 (41.4) | 170 (35.2) | 109 (38.7) | 430 (45.4) |
| Diuretic use, n (%) | 322 (18.8) | 93 (19.3) | 38 (13.5) | 191 (20.1) |
| Serum creatinine, mean (SD), μmol/L | 101.1 (32.7) | 95.9 (29.1) | 100.9 (33.5) | 103.7 (33.9) |
| eGFR ≥ 60 mL/min/1.73 m2, n (%) | 1274 (74.4) | 380 (78.8) | 213 (76.6) | 657 (71.4) |
| Serum urate, mean (SD), mmol/L | 0.39 (0.11) | 0.38 (0.10) | 0.41 (0.11) | 0.38 (0.10) |
| Serum LDL-C, mean (SD), mmol/L | 2.84 (0.96) | 2.82 (0.96) | 2.8 (0.92) | 2.88 (0.97) |
| Serum triglyceride, mean (SD), mmol/L | 2.06 (1.43) | 2.12 (1.44) | 1.97 (1.31) | 2.06 (1.45) |
| FEUA, mean (SD), % | 5.48 (2.71) | 5.13 (2.70) | 4.70 (5.89) | 5.89 (2.73) |