Correlation between urea-to-creatinine ratio and poor prognosis of intensive care unit patients with chronic obstructive pulmonary disease: a study based on the MIMIC-IV database - Summary - MDSpire

Correlation between urea-to-creatinine ratio and poor prognosis of intensive care unit patients with chronic obstructive pulmonary disease: a study based on the MIMIC-IV database

  • By

  • Lei Zhang

  • Meiying Wang

  • Dong Miao

  • Ruigang Wang

  • Li Li

  • Zhengqiao Li

  • Li’ao Wang

  • Gang He

  • May 19, 2026

  • 0 min

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Objective:

To investigate the association between UCR and specific adverse outcomes, including mortality and mechanical ventilation needs, among ICU patients with COPD.

Key Findings:
  • Elevated UCR levels are independently associated with increased short- and long-term mortality in COPD patients.
  • UCR demonstrates superior discriminative performance compared to single biomarkers for risk stratification.
  • Higher UCR levels correlate with increased rates of mechanical ventilation.
Interpretation:

UCR may serve as a valuable prognostic indicator for ICU patients with COPD, facilitating early risk assessment and intervention, thereby improving patient outcomes.

Limitations:
  • Single-center study may limit generalizability, potentially affecting the applicability of findings.
  • Retrospective design may introduce bias in data collection, impacting the reliability of results.
Conclusion:

UCR is a promising biomarker for predicting adverse outcomes in ICU patients with COPD, warranting further validation in broader populations to enhance clinical applicability.

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