期刊
NUTRIENTS
卷 15, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/nu15081806
关键词
dietary acid load; hyperuricemia; potential renal acid load (PRAL); net endogenous acid production (NEAP); serum uric acid
This study examines the association between dietary acid load and hyperuricemia in Chinese adults. The results show that potential renal acid load is positively correlated with the prevalence of hyperuricemia, while net endogenous acid production is not significantly associated. Additionally, increased intake of fat, protein, and animal protein is linked to a higher risk of hyperuricemia.
Background: This study evaluates the association between dietary acid load (DAL) and hyperuricemia in Chinese adults. Methods: The China Health and Nutrition Survey (CHNS) in 2009 was used in this cross-sectional study. Potential renal acid load (PRAL) and net endogenous acid production (NEAP) were applied to estimate DAL. A multiple logistic regression model was used to test the relationship between DAL and hyperuricemia risk. Results: A total of 7947 participants were included in this study, of whom 1172 had hyperuricemia. The PRAL score was positively related to the prevalence of hyperuricemia, even when potential covariates were taken into account. In comparison with Q1, the ORs were 1.12 (95% CI, 0.92-1.38), 1.20 (95% CI, 0.97-1.47) and 1.42 (95% CI, 1.16-1.75) in Q2, Q3 and Q4. However, there was no significant relationship between NEAP scores and hyperuricemia. Every 10 g increase in energy-adjusted fat, protein and animal protein intakes caused a 10%, 17% and 18% increase in hyperuricemia risk, respectively (OR: 1.10, 95% CI: 1.04-1.16; OR: 1.17, 95% CI: 1.11-1.25; OR: 1.18, 95% CI: 1.12-1.24, respectively). An obvious linear correlation was also suggested by the restricted cubic spline. Conclusions: Hyperuricemia risk was associated with higher PRAL among Chinese adults. This means that a diet low in PRAL scores could be a very valuable uric acid-lowering dietary pattern.
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