Determinants of serum uric acid levels in an adult general population: results from the Moli-sani Study.

Clinical Rheumatology
Sara MagnaccaMoli-sani Study Investigators

Abstract

High levels of serum uric acid (UA) are associated with cerebro-cardiovascular disease risk factors. This study aimed at evaluating the main determinants of serum UA levels in relation to biochemical, lifestyle, and clinical variables. The study population included 15,594 participants (48% men, age ≥ 35 years) to the Moli-sani Study, for whom data on serum UA levels were available. Association of UA with dependent variables was investigated by multivariable linear regression analysis separately for men and women. Average serum UA levels were higher in men than in women (6.1 ± 1.3 vs 4.6 ± 1.2 mg/dL, respectively). Cystatin C, creatinine, albumin, triglycerides, body mass index (BMI), and diuretic therapy were the major determinants of the heterogeneity of UA levels. In women, the final model, resulting from the stepwise analysis, explained 41.6% of the UA variability. In particular, cystatin C explained 22.5% of UA variance, followed by BMI (7.2%), albumin (4.0%), and creatinine (1.9%). The final model in men fitted the data less than in women (total R2 = 29.1%), and creatinine was found to be the main determinant of UA levels (10.1%), followed by triglycerides (7.6%), BMI (3.7%), and albumin (2.0%). In a general adult populati...Continue Reading

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