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Table 2 Adjusted effects of renal function on levels of uric acid

From: Efficacy of different urinary uric acid indicators in patients with chronic kidney disease

All(n = 625) SUA (μmol/L)β UUA (mmol/24 h)β Cur (mL/min)β FLur (μmol/min)β FEur (%)β
(95% CI) (95% CI) (95% CI) (95% CI) (95% CI)
Continuous eGFR
(mL/min/1.732)
−1.41 (− 1.64, − 1.17)** 0.01 (0.01, 0.02)** 0.04 (0.04, 0.05)** 0.33 (0.29, 0.36)** −0.15 (− 0.16, − 0.13)**
Clinical cutoffs
 CKD 1 (n = 130) Reference Reference Reference Reference Reference
 CKD 2 (n = 164) 35.36 (12.13,58.59) −0.17(−0.50, 0.17) −1.02 (− 1.78, − 0.27) −6.13(−9.68, −2.59)** 1.23(− 0.51, 2.96)
 CKD 3 (n=147) 99.55 (74.95,124.16)** −0.43(− 0.78, − 0.07)* −2.49 (− 3.29, − 1.70)** − 15.93(− 19.68, − 12.17)** 2.80 (0.95, 4.65)**
 CKD 4 (n = 86) 99.08 (71.00,127.17)** −0.87 (− 1.27, 0.46)** −3.32 (− 4.24, − 2.41)** − 24.80(− 29.09, − 20.52)** 6.58 (4.47, 8.69)**
 CKD 5 (n = 97) 146.02 (118.80,173.25)** −1.41(− 1.80, 1.01)** −4.59 (− 5.47, − 3.70) ** − 32.01(− 36.17, − 27.85)** 17.41 (15.37, 19.46)**