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Kaplan–Meier 30-day survival curve for VA-ECMO patients. Patients with or without elevated EAA level at T3 (vs. T1). Study time points: within 24 h (T1) and 49–72 (T3) after ECMO initiation. Result of statistical comparison using log-rank test. EAA, endotoxin activity assay; VA-ECMO, venoarterial extracorporeal membrane oxygenation.
