ArticleJournal of thoracic disease2024
Blood urea nitrogen-to-albumin ratio independently predicts 30-day mortality in acute respiratory failure patients: a retrospective cohort study.
Article in Journal of thoracic disease, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Association between albumin-bilirubin score and all-cause mortality in patients with acute respiratory failure: a cohort study based on the MIMIC-IV database.Journal of thoracic disease · 2026Article
- Article
- Associations of lactate-to-hematocrit ratio with short- and long-term prognoses in critically ill patients with cirrhosis and sepsis: a retrospective cohort study.BMC infectious diseases · 2025Article
- Prognostic Value of Blood Urea Nitrogen to Albumin Ratio in Elderly Critically Ill Patients with Acute Kidney Injury: A Retrospective Study.Medicina (Kaunas, Lithuania) · 2025Article
- Association of blood urea nitrogen to albumin ratio with mortality in acute pancreatitis.Scientific reports · 2025Article
- The importance of uric acid levels in geriatric patients with respiratory failure under noninvasive mechanical ventilation in the respiratory intensive care unit.BMC pulmonary medicine · 2025Article
- Article
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Authors and funding
10 authors.
Funding
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Abstract
Background: It is crucial to identify patients at high risk for acute respiratory failure (ARF) to provide appropriate and optimal clinical treatment. While previous studies have explored the use of prognostic biomarkers based on a combination of blood urea nitrogen (BUN) and albumin levels, no reports to date have evaluated its utility across a wide range of ARF etiologies in a large and diverse critical care population. Therefore, we aimed to ascertain the association between the BUN-to-albumin ratio (BAR) and mortality in these patients. Methods: Data recorded in the first 24 h following intensive care unit (ICU) admission, including demographics, vital signs, laboratory test results, comorbidities, and score systems were retrieved from the Medical Information Mart for Intensive Care IV (MIMIC-IV) database. A general additive model was used to determine whether there was a non-linear relationship between BAR and 30-day mortality. A multivariate Cox analysis was performed to measure the association between them. Results: The study enrolled 9,734 patients with ARF. In comparison to survivors, non-survivors exhibited higher BAR [10.79 (6.25-18.81) Conclusions: A high BAR was linked to a higher risk of mortality in ARF patients. BAR is a straightforward and possibly useful prognostic biomarker for ARF.
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