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Associations of neutrophil elastase (NE) with cytokines involved in COVID‐19 pathological mechanisms. Significant associations of NE were reported with interleukin‐6 (IL‐6), IL‐8, and neutrophil chemokine receptor CXCR2, but not with TNF‐α. Dotted lines represent the cutoffs reported for multi‐organ damage in receiver operating characteristic (ROC) analyses. These cutoffs were used for the concordance analyses. Correlations were assessed by Spearman's rank correlation
