Association between hepatic steatosis and fibrosis indices and dietary habits, physical activity, and quality of life.

Vachliotis, Ilias D; Vasiloglou, Maria F; Kapama, Aikaterini; Matsagkos, Dimitrios; Goulas, Antonis; Papaioannidou, Paraskevi; Polyzos, Stergios A (2022). Association between hepatic steatosis and fibrosis indices and dietary habits, physical activity, and quality of life. Arab journal of gastroenterology, 23(4), pp. 277-287. Elsevier 10.1016/j.ajg.2022.05.006

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BACKGROUND AND STUDY AIMS

This cross-sectional study aimed to evaluate the association between hepatic steatosis and fibrosis indices and adherence to the Mediterranean diet (MD), physical activity (PA), and quality of life (QoL) in individuals unaware of the status of their liver.

PATIENTS AND METHODS

Participants were asked to complete three questionnaires validated in Greek, namely: (1) the Chronic Liver Disease Questionnaire (CLDQ) for QoL assessment; (2) the semi-quantitative Food Frequency Questionnaire (FFQ), from which the MedDietScore was calculated; and (3) the International Physical Activity Questionnaire (IPAQ) for PA evaluation. Hepatic steatosis was evaluated using the Fatty Liver Index (FLI), Hepatic Steatosis Index (HSI), and Lipid Accumulation Product (LAP). Hepatic fibrosis was evaluated using the NAFLD Fibrosis Score (NFS), Fibrosis-4 (FIB-4), and AST-to-platelet ratio index (APRI).

RESULTS

This study recruited 200 participants (90% men) aged 36 ± 6 years. Hepatic steatosis indices were not associated with MedDietScore and QoL. In terms of PA, univariable analysis showed that higher values of hepatic steatosis indices were associated with less intense activity. This association remained significant only for HSI during multivariable analysis (moderate activity vs. low activity: beta: -2.0, 95% confidence interval (CI): -3.5, -0.37, p = 0.016; and high activity vs. low activity: beta: -3.3, 95% CI: -5.03, -1.60, p < 0.001), after controlling for age, waist circumference, and the presence of metabolic syndrome. When using hepatic fibrosis indices, none of the participants had high probability of advanced hepatic fibrosis or cirrhosis (F3-F4). Consequently, we were unable to extensively evaluate the association between hepatic fibrosis indices and lifestyle characteristics or QoL.

CONCLUSION

We showed that HSI, but not other steatosis indices, remained robustly associated with PA after adjusting for potential confounders in a population unaware of the presence of fatty liver.

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