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Nutrición Hospitalaria
versión On-line ISSN 1699-5198versión impresa ISSN 0212-1611
Resumen
PAN, Jialong et al. Associations between serum ferritin, iron, and liver transaminases in adolescents: a large cross-sectional study. Nutr. Hosp. [online]. 2023, vol.40, n.5, pp.949-959. Epub 05-Feb-2024. ISSN 1699-5198. https://dx.doi.org/10.20960/nh.04653.
Introduction:
few previous studies suggest that serum iron status may be associated with liver function, but the relevant evidence remains limited, especially in adolescents.
Objective:
we aimed to investigate the association between serum ferritin, iron, and liver transaminases in adolescents.
Methods:
a cross-sectional study including 3,404 adolescents aged 10-19 was performed based on the National Health and Nutrition Examination Survey. Weighted multivariate regression, subgroup analysis, and sensitivity analysis were used.
Results:
a total of 3,404 adolescents were eventually included. Serum ferritin and iron were positively correlated to alanine aminotransferase (ALT) and aspartate aminotransferase (AST). The association between serum ferritin and ALT remained positive in all genders and races, but only remained positive in girls and several races between serum ferritin and AST. The positive correlations kept present among girls between serum iron and ALT, and also kept present among girls and non-Hispanic whites between serum iron and AST. Additionally, serum ferritin and iron were also positively correlated to elevated ALT and elevated AST using binary logistic regression analysis. After excluding the subjects with serum ferritin levels above the upper limit of normal, the main results remained the same basically.
Conclusion:
the present results add novel evidences about the associations between serum ferritin, iron, and liver transaminases, which requires more confirmatory studies.
Palabras clave : Ferritins; Iron; Liver transaminases; Adolescents; Nutrition surveys.