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Sex-Specific Association Between Serum Uric Acid and Elevated Alanine Aminotransferase in a Military Cohort: The CHIEF Study

[ Vol. 19 , Issue. 3 ]

Author(s):

Jia-Wei Lin, Kun-Zhe Tsai, Kai-Wen Chen, Fang-Ying Su, Yi-Hwei Li, Yen-Po Lin, Chih-Lu Han, Felicia Lin, Yu-Kai Lin, Chung-Bao Hsieh and Gen-Min Lin*   Pages 333 - 340 ( 8 )

Abstract:


Aim: The study was conducted in order to examine the sex-specific association of serum uric acid (SUA) levels with elevated serum alanine aminotransferase (ALT) in a Taiwanese military cohort.

Methods: We made a cross-sectional examination of the sex-specific relationship using 6728 men and 766 women, aged 18-50 years from a large military cohort in Taiwan. SUA levels within the reference range (<7.0 mg/dL for men and <5.7 mg/dL for women respectively) were divided into quartiles and SUA levels greater than the upper reference limits were defined as hyperuricemia. Elevated ALT levels were defined as ≥40 U/L. Multivariate logistic regression analysis was performed to determine the association between each SUA category and elevated ALT levels in men and women, respectively.

Results: The prevalence of hyperuricemia and elevated ALT in men were 18.7% and 12.7%, respectively, and in women were 3.3% and 2.1%, respectively. As compared with the lowest SUA quartile, hyperuricemia was associated with elevated ALT in men (odds ratios (OR): 1.62, 95% confidence intervals (CI): 1.19-2.20) after controlling for age, service specialty, body mass index, metabolic syndrome components, current cigarette smoking, alcohol intake status, and weekly exercise times, but the associations for the other SUA quartiles were null. By contrast, the associations of hyperuricemia (OR: 0.81, 95% CI: 0.10-6.64) and the other SUA quartiles with elevated ALT were null in women.

Conclusion: Our findings suggest that the relationship between each SUA level and elevated ALT may differ by sex among military young adults. The mechanism for the sex difference requires further investigations.

Keywords:

Alanine aminotransferase, military cohort, serum uric acid, sex difference, hyperuricemia, aminocarbonyl radicals.

Affiliation:

Department of Dentistry, National Yang-Ming University, Taipei, Division of Dentistry Hualien Armed Forces General Hospital, Hualien, Department of Medicine, Hualien Armed Forces General Hospital, Hualien, Biotechnology R&D Center, National Taiwan University Hospital Hsinchu Branch, Hsinchu, Department of Public Health, Tzu Chi University, Hualien, Department of Critical Care Medicine, Buddhist Tzu Chi General Hospital, Taipei branch, New Taipei City, Department of Medicine, Taipei Veterans General Hospital, Taipei, Department of Medicine, Hualien Armed Forces General Hospital, Hualien, Departments of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Departments of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Departments of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei

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