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Urinary pH and metabolic factors associated with hyperuricemia in non-obese men

Year: 2026
Type: article
Study design: Observational Study
Abstract: Objective: This study aimed to investigate the factors associated with hyperuricemia in non-obese men.Methods: This retrospective cross-sectional study included non-obese Korean men aged over 18 years who participated in the 2021 Korea National Health and Nutrition Examination Survey.Participants with obesity or a history of gout treatment were excluded.Obesity was defined as having a body mass index of ≥25 kg/m 2 .Complex sample logistic regression analysis was conducted to examine the factors associated with hyperuricemia.Results: A total of 1,194 participants were included in the study, with 349 (29.2%) experiencing hyperuricemia.In the logistic regression analysis, triglycerides (TG), alanine aminotransferase (ALT), and creatinine levels were associated with hyperuricemia.However, urinary pH (odds ratio [OR]: 0.746, 95% confidence interval [CI]: 0.581~0.959;p=0.022) and alkaline urine (pH≥7) (OR: 0.581, 95% CI: 0.389~0.867;p=0.008) were inversely associated with hyperuricemia.Among the 968 participants with available dietary data, those with alkaline urine had higher fiber intake and a higher score on the Korea Healthy Eating Index.Conclusion: TG and ALT were associated with hyperuricemia in non-obese men, whereas urinary pH was inversely associated with hyperuricemia.Participants with alkaline urine exhibited different dietary intakes compared to those with non-alkaline urine.These findings highlight associations between urinary pH, metabolic factors, and hyperuricemia in non-obese men.
Author: Jung Sun Lee
Language: English
Subfield: Nephrology
Field: Medicine
Open Access status: diamond
OpenAlex ID: W7130389154
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