ArticleBMJ open2025
Association between the TyG index and the risk of in-hospital mortality from early sepsis-related acute kidney injury in critically ill patients: a secondary analysis of MIMIC-IV 2008-2022.
Article in BMJ open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Triglyceride-Glucose Index and Acute Kidney Injury: A Systematic Review and Meta-Analysis.Journal of clinical medicine · 2026Review
- Triglyceride-glucose index and its derivatives as emerging biomarkers of insulin resistance for prognostic evaluation of cardiovascular-kidney-metabolic syndrome: mechanisms and clinical applications.Frontiers in pharmacology · 2026Review
- Hematologic and metabolic indices for predicting 28-day mortality in sepsis patients: a retrospective intensive care cohort study.Frontiers in medicine · 2026Article
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5 authors.
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Abstract
objectivesThis study aims to investigate the relationship between the triglyceride-glucose (TyG) index in patients with early sepsis-associated acute kidney injury (SA-AKI) and the risk of in-hospital mortality.
designSecondary data analysis.
settingThis study analysed secondary data from the Medical Information Mart for Intensive Care (MIMIC) 2008-2022.
participantsA total of 1632 participants were enrolled in the final analysis. PRIMARY AND SECONDARY OUTCOME MEASURES: A secondary data analysis study was conducted using data from the MIMIC IV 3.0 database. Participants were divided into four groups based on the quartiles of the TyG index. The primary outcome was all-cause in-hospital mortality. The association between the TyG index and in-hospital mortality among SA-AKI patients was assessed using multivariate COX proportional hazards regression analysis and restricted cubic spline regression analysis. Subgroup and sensitivity analyses were performed to verify the robustness of results.
resultsA total of 1632 patients were included in the study. The in-hospital mortality rate was 31.13%, and the intensive care unit (ICU) mortality rate was 25.25%. Multivariate COX regression analysis showed that the TyG index was independently associated with an increased risk of in-hospital mortality (HR 1.14 (95% CI 1.02 to 1.27); p=0.02) and ICU mortality (HR 1.17; (95% CI 1.04 to 1.32); p=0.01). The restricted cubic spline regression model indicated that the risk of in-hospital and ICU mortality increased linearly with the increase in the TyG index. Sensitivity analysis demonstrated that the effect size and direction were consistent across different subgroups, and the results were stable.
conclusionA high TyG index is associated with increased mortality during hospitalisation in patients with SA-AKI. Larger-scale prospective studies are needed to confirm these findings.
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