Fig. 4From: PO2 oscillations induce lung injury and inflammationELISA results in plasma. Showing the plasma concentrations of TNF-α, IL-6 and IL-1β after initiation of vvECMO (BL-ECMO) and after 6 h of experimental time (ECMO 6) for either constant PO2 or PO2 oscillations. Box plots represent the median, 25% and 75% percentile, whiskers the minimum and maximum values. The dashed line the lower detection limits. P values calculated by Wilcoxon signed-rank testBack to article page