Association between endothelial activation and stress index and all-cause mortality risk in sepsis patients: a retrospective cohort analysis utilizing the MIMIC-IV database
Background The Endothelial Activation and Stress Index (EASIX) has recently gained attention as an emerging indicator of endothelial injury, which significantly contributes to the progression of sepsis. Nevertheless, the association between EASIX levels and mortality outcomes in sepsis has yet to be...
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| Vydané v: | BMC infectious diseases Ročník 25; číslo 1; s. 966 - 13 |
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| Hlavní autori: | , , , , , , , |
| Médium: | Journal Article |
| Jazyk: | English |
| Vydavateľské údaje: |
London
BioMed Central
31.07.2025
BioMed Central Ltd Springer Nature B.V BMC |
| Predmet: | |
| ISSN: | 1471-2334, 1471-2334 |
| On-line prístup: | Získať plný text |
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| Shrnutí: | Background
The Endothelial Activation and Stress Index (EASIX) has recently gained attention as an emerging indicator of endothelial injury, which significantly contributes to the progression of sepsis. Nevertheless, the association between EASIX levels and mortality outcomes in sepsis has yet to be fully clarified. This study explored the clinical significance of EASIX in septic patients admitted to the intensive care unit (ICU).
Methods
Data of sepsis patients were acquired from the Medical Information Mart for Intensive Care (MIMIC) database and analyzed. Participants were categorized into three groups according to their log
2
–EASIX values. The interplay between the mortality and log
2
–EASIX values in individuals with sepsis was examined via Cox regression analysis. To explore possible nonlinear relationships between log
2
–EASIX values and sepsis-related mortality, we applied a restricted cubic spline (RCS) model. Additionally, Kaplan–Meier (KM) and subgroup analyses were conducted to evaluate the robustness of the findings.
Results
A total of 8829 individuals diagnosed with sepsis were included in this study. Elevated log
2
–EASIX levels were consistently associated with a higher likelihood of mortality throughout all assessed time frames. Patients with the highest log
2
–EASIX scores exhibited a markedly elevated risk of death, with hazard ratios (HRs) of 1.56 at 30 days, 1.44 at 60 days, 1.38 at 90 days, 1.31 at 180 days, and 1.29 at 365 days. While the association was strongest in the early phase, elevated mortality risk persisted throughout the follow-up period. Moreover, an alternative statistical approach, specifically the use of RCS, exhibited a steady linear link between log
2
–EASIX values and mortality risk across all considered time points.
Conclusions
This study demonstrated that EASIX is independently and positively associated with mortality in patients with sepsis. Elevated EASIX levels were correlated with increased disease severity and poorer clinical outcomes, suggesting its potential utility as a risk stratification indicator in critical care. |
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| Bibliografia: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 content type line 23 |
| ISSN: | 1471-2334 1471-2334 |
| DOI: | 10.1186/s12879-025-11363-x |