Fig. 3From: Extracorporeal membrane oxygenation for severe COVID-19-associated acute respiratory distress syndrome in Poland: a multicenter cohort studySurvival curves for various age groups (> 55 years and ≤ 55 years) (left figure) and obese vs non-obese patients (BMI > 30 kg/m2 or ≤ 30 kg/m2) (right figure)Back to article page