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Abstract Details
Changes in drinking levels and metabolic dysfunction-associated steatotic liver disease: a longitudinal study from the China multi-ethnic cohort study.
BACKGROUND: Little is known about the associations of changes in drinking levels with the newly defined metabolic dysfunction-associated steatotic liver disease (MASLD). We therefore sought to estimate the associations between changes in drinking levels and MASLD in less developed regions of China.
METHODS: This longitudinal study included 8727 participants from the China Multi-Ethnic Cohort (CMEC) in less developed regions, all participating in baseline and a follow-up survey. MASLD was defined as hepatic steatosis, along with the presence of at least one of five cardiometabolic risks, in addition to limiting excessive alcohol consumption. We applied the parametric g-formula to evaluate the association between changes in drinking levels and MASLD. We further estimated the association between changes in drinking levels and fibrosis scores (AST-to-platelet ratio and fibrosis-4 index) in patients with MASLD.
RESULTS: Compared with sustained non-drinking, sustained modest drinking was associated with a higher risk of MASLD (Mean Ratio (MR): 1.127 [95% CI: 1.040-1.242]). Compared to sustained non-drinking, the MR for those transitioning from non-drinking to modest drinking was 1.065 [95% CI: 0.983-1.169], while the MR for those changing from modest drinking to non-drinking was 1.059 [95% CI: 0.965, 1.173]. Non-invasive fibrosis scores tended to increase with modest drinking compared to sustained non-drinking.
CONCLUSION: In the less developed regions of China, sustained moderate drinking was associated with the risk of MASLD compared with sustained non-drinking. Increased drinking showed a trend towards a higher risk of MASLD. This study can inform drinking policies related to MASLD and liver fibrosis in less developed regions.