ArticleDiabetes, metabolic syndrome and obesity : targets and therapy2025
The Triglyceride-Glucose Index Mediates the Association Between Obstructive Sleep Apnea and Non-Alcoholic Fatty Liver Disease: Findings From Two Cross-Sectional Datasets.
Article in Diabetes, metabolic syndrome and obesity : targets and therapy, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Construction and Validation of a TyG-ALT-Based Diagnostic Risk-Stratification Model for Metabolic-Associated Fatty Liver Disease in Patients with Obstructive Sleep Apnea.Journal of clinical medicine · 2026Article
- Association of the TyG index and its body fat distribution composites with CHD and MACE risk in adults with OSAHS: incremental discrimination and exploratory mediation analysis.Frontiers in endocrinology · 2026Observational
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6 authors.
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Abstract
Purpose: Obstructive sleep apnea (OSA) contributes to non-alcoholic fatty liver disease (NAFLD) via pathways involving insulin resistance (IR). The triglyceride-glucose (TyG) index, a widely used marker of IR, is associated with both OSA and NAFLD. However, the role of the TyG index in linking OSA to NAFLD remains underexplored. Patients and Methods: This study analyzed data from two cross-sectional studies: 920 participants from the Fifth Affiliated Hospital of Sun Yat-sen University and 1,603 participants from NHANES 2005-2008. Mediation analysis assessed the TyG index's role in the OSA-NAFLD relationship. Weighted multivariable logistic regression and restricted cubic spline (RCS) regression explored the association between the TyG index and NAFLD in patients with OSA. Results: Mediation analysis showed the TyG index mediated the OSA-NAFLD association, accounting for 35.33% and 20.06% in Chinese and American participants, respectively (P < 0.001). Logistic regression revealed that higher TyG index values were significantly associated with increased NAFLD risk in patients with OSA, with ORs of 2.32 (95% CI: 1.78-3.07) for Chinese and 6.80 (95% CI: 4.42-10.45) for American participants (P < 0.001). RCS regression showed a linear increase in NAFLD risk with higher TyG index values in patients with OSA. Conclusion: The TyG index significantly mediates the OSA-NAFLD relationship. Elevated TyG index values are significantly associated with NAFLD risk in patients with OSA. The TyG index is a biologically meaningful and effective biomarker of IR in the association between OSA and NAFLD, with potential for early identification of NAFLD in patients with OSA.
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