Odds ratios for the outcome variable ’mortality’, dependent on body mass index, age, performance of an ECMO therapy, SOFA score or PaO2/FIO2 ratio on ICU admission, as well as presence of concomitant malignant or immunological diseases (“comorbidities”). Logarithmic scale, logistic regression, level of significance: p<0.05. ECMO, extracorporeal membrane oxygenation (extracorporeal lung support therapy); SOFA, Sequential Organ Failure Assessment