Table 2 Differences in serum uric acid levels according to quintiles of parathyroid hormone in NHANES 2003-2006
Parathyroid hormone levels pM (pg/ml) | Quintile 1 0.64-2.86 (6-27) | Quintile 2 2.97-3.82 (28-36) | Quintile 3 3.93-4.67 (37-44) | Quintile 4 4.77-6.15 (45-58) | Quintile 5 6.26-52.10 (59-491) | P value for trend |
|---|---|---|---|---|---|---|
Age- and sex-adjusted difference, μM mg/dl | 0 (referent) | 8.9 (3.3, 14.6) 0.15 (0.05, 0.25) | 15.2 (9.1, 21.3) 0.26 (0.15, 0.36) | 20.3 (14.0, 26.6) 0.34 (0.24, 0.45) | 35.9 (28.0, 43.8) 0.60 (0.47, 0.74) | < 0.001 |
Multivariate difference,a μM mg/dl | 0 (referent) | 7.6 (3.0, 12.2) 0.13 (0.05, 0.21) | 12.6 (6.7, 18.5) 0.21 (0.11, 0.31) | 14.2 (8.6, 19.8) 0.24 (0.14, 0.33) | 22.9 (16.3, 29.4) 0.39 (0.27, 0.49) | < 0.001 |
Multivariate difference,b μM mg/dl | 0 (referent) | 7.3 (2.9, 11.7) 0.12 (0.05, 0.20) | 13.2 (7.4, 19.0) 0.22 (0.12, 0.32) | 14.2 (8.9, 19.4) 0.24 (0.15, 0.33) | 18.0 (11.4, 24.6) 0.30 (0.19, 0.41) | < 0.001 |
Multivariate difference,c μM mg/dl | 0 (referent) | 7.5 (2.9, 12.2) 0.13 (0.05, 0.21) | 13.5 (7.2, 19.9) 0.23 (0.12, 0.34) | 14.4 (9.0, 19.8) 0.24 (0.15, 0.33) | 18.7 (11.8, 25.7) 0.31 (0.20, 0.43) | < 0.001 |