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. 2022 Mar 17;13:851497. doi: 10.3389/fimmu.2022.851497

Figure 3.

Figure 3

COVID-19 acute respiratory distress syndrome non-survivors have higher plasma total DNA concentrations and myeloperoxidase–DNA levels than survivors. Plasma NET levels were compared in all COVID-19 patients between survivors (n = 67) and non-survivors (n = 29). (A) Total DNA concentration (ng/ml). (B) Myeloperoxidase–DNA levels (% standard NETs). (C) Histone H3 citrullinated (absorbance 450 nm). Plasma NET levels were compared between COVID-19-related acute respiratory distress syndrome (ARDS) survivors (n = 25) and non-survivors (n = 25). (D) Total DNA concentration (ng/ml). (E) Myeloperoxidase–DNA levels (% standard NETs). (F) Histone H3 citrullinated (absorbance 450 nm). Threshold for statistical significance was a p-value of 0.05. *p < 0.05, **p < 0.01, ***p < 0.001. NS, statistically non-significant.