Figure 1

Flow diagram of included patients. OHCA out-of-hospital cardiac arrest, ECMO extracorporeal membrane oxygenation, E-CPR extracorporeal cardiopulmonary resuscitation, VV-ECMO venovenous extracorporeal membrane oxygenation, ROSC return of spontaneous circulation, CPC Cerebral Performance Category, WLST withdrawal of life-sustaining treatment.