From:  Acute kidney injury in gout: prevalence and risk factors through two decades

 Differences in variables associated with AKI through the two decades studied.

VariablesD1D2p
Age (years)62.2 ± 13.367.3 ± 14.0< 0.001
Time from onset (years)7.0 ± 7.76.1 ± 6.90.016
Serum urate at baseline (mg/dL)9.0 ± 1.49.3 ± 1.5< 0.001
Previous ULT prescription245/544 (45.0%)323/663 (48.7%)0.202
Subcutaneous tophi199/544 (36.6%)200/663 (30.2%)0.018
Polyarticular involvement (> 4 joints ever)169/544 (31.1%)248/663 (37.4%)0.021
Joint damage in plain X-ray248/544 (45.6%)436/663 (65.8%)0.001
Ultrasonographic tophi324/460 (70.4%)448/660 (67.9%)0.363
Ethanol intake (> 15 g/day)191/544 (35.1%)178/663 (26.8%)0.002
Arterial hypertension309/544 (56.8%)506/663 (76.3%)< 0.001
Diuretic prescription193/544 (35.5%)303/663 (45.7%)< 0.001
Triple whammy183/544 (33.6%)294/663 (44.3%)< 0.001
Hyperlipidemia281/544 (51.7%)438/663 (66.1%)< 0.001
Diabetes129/544 (23.7%)204/663 (30.8%)0.006
Previous vascular event171/544 (31.4%)233/663 (35.1%)0.174
CKD (eGFR < 60 mL/min)197/544 (36.2%)283/663 (42.7%)0.022

Variables statistically significant are shown in bold. AKI: acute kidney injury; D1: decade 1 from 2005 to 2014; D2: decade 2 from 2015 to 2024; ULT: urate-lowering therapy; CKD: chronic kidney disease; eGFR: estimated glomerular filtration rate.