期刊
MEDICINE
卷 102, 期 7, 页码 -出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MD.0000000000033007
关键词
blood urea nitrogen; albumin ratio; coronavirus disease 2019; laboratory; mortality; prognosis
A meta-analysis found a positive correlation between blood urea nitrogen (BUN)/albumin ratio and poor outcome in patients with COVID-19. High BUN/Albumin ratio is associated with increased risk of poor prognosis.
Background:The associations between blood urea nitrogen (BUN)/albumin ratio and poor prognosis in patients with diagnosis of coronavirus disease 2019 (COVID-19) remain to be clarified. Methods:A search based on 4 electronic databases (i.e., EMBASE, Google scholar, MEDLINE, and Cochrane Library) was performed on June 23, 2022. The association of BUN/Albumin ratio with poor prognostic outcomes, defined as patients with mortality/severe illnesses, were analyzed. Results:Results from analysis of 7 cohort studies (3600 individuals with COVID-19) published between 2020 and 2022 showed a higher BUN/Albumin ratio in the poor-prognosis group (Mean difference: = 2.838, 95% confidence interval: 2.015-3.66, P < .001, I-2 = 92.5%) than the good-prognosis group. Additional investigation into the connection between BUN/Albumin ratio as a binary variable (i.e., high or low) and the risk of poor outcome also supported an association between a higher BUN/Albumin ratio and a poor prognostic risk (odd ratio = 3.009, 95% confidence interval: 1.565-5.783, P = .001, I-2 = 93.7%, 5 studies). Merged analysis of poor prognosis produced a sensitivity of 0.76, specificity of 0.72, and area under curve of 0.81. Conclusion:This meta-analysis demonstrated a positive correlation between BUN/albumin ratio and poor outcome in patients with COVID-19. Additional large-scale prospective studies are needed to verify our findings.
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