ArticleCureus2025
Utility of the Red Cell Distribution Width-to-Albumin Ratio in Predicting Short-Term Mortality in Acute Exacerbations of Chronic Obstructive Pulmonary Disease: A Prospective Observational Study.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
7 authors.
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Abstract
Background Acute exacerbation of chronic obstructive pulmonary disease (ECOPD) significantly contributes to intensive care unit (ICU) admissions and short-term mortality. The red cell distribution width-to-albumin ratio (RAR) has emerged as a potential biomarker for systemic inflammation and adverse outcomes. This study aimed to assess the diagnostic value of baseline RAR in predicting 28-day all-cause mortality in ICU-admitted patients with acute ECOPD. Methodology In a prospective, observational design, 83 consecutive patients admitted with moderate to severe ECOPD were enrolled. Baseline clinical data, laboratory parameters, and clinical severity scores were collected. Patients were followed up for 28 days. The primary outcome was 28-day all-cause mortality. Receiver operating characteristic (ROC) analysis was used to determine the baseline optimal RAR cut-off. Results A baseline RAR threshold of >5.43%dL/g showed excellent predictive performance for 28-day mortality (area under the receiver operating characteristic (AUROC): 0.979; sensitivity: 95.45%; specificity: 95.08%). Mortality was significantly higher in the high RAR group (87.5%) when compared to the low RAR group (1.69%) (
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