Clinical Usefulness of Red Cell Distribution Width/Albumin Ratio to Discriminate 28-Day Mortality in Critically Ill Patients with Pneumonia Receiving Invasive Mechanical Ventilation, Compared with Lacate/Albumin Ratio: A Retrospective Cohort Studyopen access
- Jeong, Jong Hwan; Heo, Manbong; Lee, Seung Jun; Jeong, Yi Yeong; Lee, Jong Deog; Yoo, Jung-Wan
- Issue Date
- red cell distribution width; albumin; lactate; pneumonia; invasive mechanical ventilation; mortality
- DIAGNOSTICS, v.11, no.12
- Journal Title
- The value of the red cell distribution width (RDW) is associated with prognosis in critically ill patients. A simplex combined index-the RDW/albumin ratio-has been proposed for the prediction of mortality, as has the lactate/albumin ratio. The aim of this study was to evaluate the clinical utility of the RDW/albumin ratio regarding 28-day mortality in critically ill patients with pneumonia. Clinical data of critically ill patients with pneumonia who were hospitalized in the medical intensive care unit from May 2018 to December 2020, and received invasive mechanical ventilation (IMV), were reviewed retrospectively. The values of RDW, lactate, and albumin measured at the time of IMV, were used for the index calculations. Of the 234 patients, the median age was 76 years, and 74.2% were male. The 28-day mortality rate was 47.3%. The median RDW/albumin ratio was significantly higher in non-survivors than survivors at 28 days (5.8 vs. 4.9, p < 0.001). A higher RDW/albumin ratio was significantly associated with increased 28-day mortality (odds ratio [OR] 1.338, 95% confidence interval [CI] 1.094-1.637, p = 0.005). The area under the receiver operating curve (AUROC) was 0.694 (95% CI: 0.630-758, p < 0.005) to discern 28-day mortality without significant difference, compared with that of the lactate/albumin ratio. Our data suggest that high RDW/albumin ratio has a similar predictability to the lactate/albumin ratio in critically ill patients with pneumonia receiving IMV.
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- College of Medicine > Department of Medicine > Journal Articles
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