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Article Abstract
Explore whether plasma IL-6 levels are similar across biomarker platforms and association with COVID-19 clinical outcomes. Plasma IL-6 concentrations were measured on 191 COVID-19 patients using the Roche Elecsys IL-6 assay and the Meso Scale Discovery assay. Correlation of IL-6 levels between platforms was high (r = 0.87; 95% CI: 0.82-0.89); however, agreement was low (bias: 147.2 pg/ml; 95% limits of agreement: -489.5-783.9 pg/ml). The optimal IL-6 threshold to predict invasive mechanical ventilation and in-hospital mortality were 3- and 3.4-fold higher in Roche compared with Meso Scale Discovery, respectively. The absolute IL-6 threshold to predict outcomes was consistently higher using the Roche platform, and IL-6 thresholds to inform prognosis vary based on the biomarker platform.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10652295 | PMC |
| http://dx.doi.org/10.2217/bmm-2023-0073 | DOI Listing |
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