Role of plasma suPAR, sTNFR1, and sTNFR2 levels in risk stratification and outcome prediction of complicated acute kidney injury in elderly patients with coronavirus disease 2019
Fang Li , Xue Tian , Lu Wang , Ling-Pei Wu , Xiao Liu , Hong-Ying Peng
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引用次数: 0
Abstract
Objective
The aim of this study is to investigate the early prognostic efficacy of plasma soluble urokinase-type plasminogen activator receptor (suPAR), soluble tumor necrosis factor receptor 1 (sTNFR1), and soluble tumor necrosis factor receptor 2 (sTNFR2) in complicated acute kidney injury (AKI) in patients with coronavirus disease 2019 (COVID-19), and to analyze the relevant factors contributing to complicated AKI in these patients.
Methods
Patients with COVID-19 hospitalized at the Affiliated Baiyun Hospital of Guizhou Medical University from March 2022 to March 2024 were selected as study participants. A total of 589 patients met the inclusion and exclusion criteria, 68 patients complicated with AKI were classified as AKI group, and the remaining 521 cases were divided into proportion sampling method and randomly selected 200 samples, which were classified as non-AKI group. Additionally, 50 healthy controls were enrolled as the control group. Logistic regression analysis was conducted to identify the relevant factors associated with complicated AKI in patients with COVID-19. Receiver operating characteristic (ROC) curves were plotted to evaluate the prognostic efficacy of plasma suPAR, sTNFR1, and sTNFR2 indicators for complicated AKI in patients with COVID-19.
Results
Among the patients with COVID-19 in the AKI group, 43 were males (63.20 %), with a median age of 79.00 (interquartile range: 75.00, 83.00) years, while the non-AKI group comprised 83 males (41.50 %), with a median age of 73.00 (interquartile range: 60.00, 80.75) years. Comparison of the sex and age between the two groups indicated that males and elderly patients had increased risks of complicated AKI (P < 0.05). Plasma levels of suPAR, sTNFR1, and sTNFR2 in the AKI group were significantly higher than those in the non-AKI group (P < 0.05). Logistic regression analysis indicated that suPAR and sTNFR2 were independent factors influencing complicated AKI in patients with COVID-19 (P < 0.05). The ROC curve for a single indicator showed that suPAR had the highest prognostic efficacy for complicated AKI, with an area under the curve (AUC) of 0.813, a sensitivity of 79.4 %, and a specificity of 74.0 %. The combined use of suPAR and sTNFR2 for risk assessment yielded the highest AUC of 0.838, with a sensitivity of 66.2 % and a specificity of 87.5 %. The combined risk assessment using all three indicators (suPAR, sTNFR1, and sTNFR2) had an AUC of 0.837, with a sensitivity of 64.7 % and a specificity of 89.0 %.
Conclusion
Elderly patients had increased risks of complicated AKI. Indicators such as suPAR, sTNFR1, and sTNFR2 can assist in assessing the risk in patients with COVID-19 complicated AKI, with suPAR demonstrating the highest prognostic efficacy as a single indicator. The combined detection of suPAR, sTNFR1, and sTNFR2 offers greater prognostic value than using any single indicator.