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. 2024 Apr 1;87(4):393-399.
doi: 10.1097/JCMA.0000000000001074. Epub 2024 Feb 21.

Dissecting the risk factors for hyperuricemia in vegetarians in Taiwan

Kai-Chieh Chang  1 , Sin-Yi Huang  2   3 , Wen-Hsin Tsai  2   4 , Hao-Wen Liu  5 , Jia-Sin Liu  6 , Chia-Lin Wu  1   7   8 , Ko-Lin Kuo  2   6   9
Affiliations

Dissecting the risk factors for hyperuricemia in vegetarians in Taiwan

Kai-Chieh Chang et al. J Chin Med Assoc. .

Abstract

Background: Vegetarian diets have been shown to lower the risks of hyperuricemia and gout. Little is known about the risk factors of hyperuricemia in vegetarians.

Methods: This community-based retrospective case-control study was conducted to establish prediction models for hyperuricemia. From September 5, 2005, to December 31, 2016, 7331 adult vegetarians were recruited at Taipei Tzu Chi Hospital. Hyperuricemia was defined as a serum uric acid concentration greater than 7 mg/dL.

Results: There were 593 (8.1%) vegetarians with hyperuricemia and 6738 (91.9%) without hyperuricemia. We stepwise built up three models for predicting hyperuricemia in vegetarians. The full model (model 3) has the highest area under the receiver operating characteristic curve (AUROC, 85.52%). Additionally, the AUROC of model 3 is 77.97% and 84.85% in vegetarians with or without prior gout history, respectively. Moreover, male gender, hyperlipidemia, body mass index, and serum albumin are independent risk factors for hyperuricemia in vegetarians. In contrast, estimated glomerular filtration rate and proteinuria are independently associated with lower risks of hyperuricemia in vegetarians.

Conclusion: Our study revealed that risk factors for hyperuricemia, which includes clinical characteristics, account for more than 85% of discriminatory performance in Taiwanese vegetarians. This model may be helpful for monitoring and preventing hyperuricemia in the population.

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Conflict of interest statement

Conflicts of interest: The authors declare that they have no conflicts of interest related to the subject matter or materials discussed in this article.

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