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Published in: BMC Endocrine Disorders 1/2023

Open Access 01-12-2023 | Fatty Liver | Research

Dietary selenium intake in relation to non-alcoholic fatty liver disease assessed by fatty liver index and hepatic steatosis index; a cross-sectional study on the baseline data of prospective PERSIAN Kavar cohort study.

Authors: Sara Shojaei Zarghani, Nima Rahimi Kashkooli, Zahra Bagheri, Mahdy Tabatabaei, Mohammad Reza Fattahi, Ali Reza Safarpour

Published in: BMC Endocrine Disorders | Issue 1/2023

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Abstract

Background

There is limited and conflicting evidence on the association between selenium and non-alcoholic fatty liver disease (NAFLD). Therefore, the present population-based cross-sectional study aimed to explore the relationship between dietary selenium intake and the risk of NAFLD.

Methods

A total of 3026 subjects from the PERSIAN (Prospective Epidemiological Research Studies in IrAN) Kavar cohort study were included in the analysis. The daily selenium intake was evaluated using a semi-quantitative food frequency questionnaire, and energy-adjusted quintiles of selenium intake (µg/day) were calculated. NAFLD was defined as the fatty liver index (FLI) ≥ 60 or the hepatic steatosis index (HSI) > 36. The association between dietary selenium intake and NAFLD was evaluated using logistic regression analysis.

Results

The prevalence rates of NAFLD were 56.4% and 51.9%, based on the FLI and HSI markers, respectively. The odds ratios (ORs) for FLI-defined NAFLD were 1.31 (95% confidence interval (CI): 1.01–1.70) and 1.50 (95% CI: 1.13–1.99) for the fourth and fifth quintiles of selenium intake, respectively, after adjustment for sociodemographic variables, smoking status, alcohol drinking, physical activity, and dietary factors (P trend = 0.002). There was also a similar association between selenium intakes and HSI-defined NAFLD (OR = 1.34 (95% CI: 1.03–1.75) for the fourth quintile and OR = 1.50 (95% CI: 1.12–2.01) for the fifth quintile of selenium intake) (P trend = 0.006).

Conclusion

In this large sample study, we observed a weak positive association between dietary selenium intake and NAFLD risk.
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Metadata
Title
Dietary selenium intake in relation to non-alcoholic fatty liver disease assessed by fatty liver index and hepatic steatosis index; a cross-sectional study on the baseline data of prospective PERSIAN Kavar cohort study.
Authors
Sara Shojaei Zarghani
Nima Rahimi Kashkooli
Zahra Bagheri
Mahdy Tabatabaei
Mohammad Reza Fattahi
Ali Reza Safarpour
Publication date
01-12-2023
Publisher
BioMed Central
Keyword
Fatty Liver
Published in
BMC Endocrine Disorders / Issue 1/2023
Electronic ISSN: 1472-6823
DOI
https://doi.org/10.1186/s12902-023-01307-4

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