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Chinese Journal of Kidney Disease Investigation(Electronic Edition) ›› 2025, Vol. 14 ›› Issue (02): 68-76. doi: 10.3877/cma.j.issn.2095-3216.2025.02.002

• Original Articles • Previous Articles     Next Articles

Impact of statins on the prognosis of sepsis-associated acute kidney injury patients with elevated triglyceride-glucose index

Fei Li1, Xiaoxia Guo1, Yue Zheng1, Xi Zheng1, Xincheng Li1, Wenxiong Li1,()   

  1. 1. Department of Critical Care Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
  • Received:2025-02-14 Online:2025-04-28 Published:2025-05-12
  • Contact: Wenxiong Li

Abstract:

Objective

To evaluate the impact of statins on the prognosis of sepsis-associated acute kidney injury (SA-AKI) patients with elevated triglyceride-glucose index.

Methods

This study was a retrospective cohort study that included SA-AKI patients with elevated triglyceride-glucose index. Patients were divided into a statin group (with use of statins) and a non-statin group (no use of statins) based on whether they received statins. The primary outcome was the 28-day all-cause mortality rate. Survival analysis was performed with the Kaplan-Meier curve, and the log-rank test was used to compare survival rates. Univariate and multivariate Cox regression models were used to identify risk factors for the death endpoint, and subgroup analysis was conducted to explore the relationship between statin use and 28-day mortality rate.

Results

A total of 835 patients were included, with 366 patients in the statin group and 469 in the non-statin group. Compared with the non-statin group, the statin group showed lower levels in inhospital mortality rate, 28-day mortality rate, and 90-day mortality rate (all P<0.05). The Kaplan-Meier survival curve showed that the difference in survival rates between the two groups was statistically significant(P<0.05). Multivariate Cox regression analysis showed that the use of statins was an independent protective factor for 28-day mortality rate (HR=0.59, 95%CI: 0.43-0.81, P=0.001). Subgroup analysis showed that the use of statins was associated with a reduced risk of 28-day mortality, which was consistent across subgroups stratified by age, gender, sequential organ failure assessment score, acute kidney injury stage,lactate levels, body mass index≥28, complication of diabetes mellitus, mechanical ventilation, and continuous renal replacement therapy.

Conclusion

The use of statins significantly reduced in-hospital mortality rate and improved short-term survival rate in the SA-AKI patients with elevated triglyceride-glucose index.

Key words: Statins, Sepsis-associated acute kidney injury, Triglyceride-glucose index, Mortality rate, Survival rate

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