Association of Red Cell Distribution Width to Albumin Ratio (RAR) with Mortality Outcomes in ICU Patients Suffering from Sepsis-Related ARDS: A Retrospective Analysis Utilizing MIMIC-IV Data - Summary - MDSpire

Association of Red Cell Distribution Width to Albumin Ratio (RAR) with Mortality Outcomes in ICU Patients Suffering from Sepsis-Related ARDS: A Retrospective Analysis Utilizing MIMIC-IV Data

  • By

  • Hongzhou Wu

  • Min He

  • Yujia Gui

  • Jinyi Zhou

  • Liting Yue

  • Xiaoqin Zhang

  • February 28, 2026

  • 0 min

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Objective:

To evaluate the association between RAR and all-cause mortality in ICU patients with sepsis-associated acute respiratory distress syndrome (SA-ARDS).

Key Findings:
  • Higher RAR is associated with increased mortality risk in SA-ARDS patients.
  • Patients in higher RAR quartiles exhibited significantly worse survival outcomes.
  • RAR serves as a potential composite marker for evaluating disease severity and predicting outcomes.
Interpretation:

RAR may be a valuable prognostic tool for identifying high-risk SA-ARDS patients in the ICU, aiding in early intervention strategies.

Limitations:
  • Retrospective design may introduce bias.
  • Data derived from a single center may limit generalizability.
  • Potential confounding factors not accounted for in the analysis.
Conclusion:

RAR is a promising marker for predicting mortality in SA-ARDS patients, highlighting the need for early identification and intervention.

Original Source(s)

Association of Red Cell Distribution Width to Albumin Ratio (RAR) with Mortality Outcomes in ICU Patients Suffering from Sepsis-Related ARDS: A Retrospective Analysis Utilizing MIMIC-IV Data

  • by Hongzhou Wu, Min He, Yujia Gui, Jinyi Zhou, Liting Yue, Xiaoqin Zhang

  • February 28, 2026

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