Fig. 2

Sankey diagram showing survival after cardiac arrest. # 25% (n = 33) of ROSC patients had ROSC already achieved on HEMS arrival. * 80% (n = 56) of the 30d survivors with favourable neurological outcome (CPC 1/2). Abbreviations: ALS: advanced life support, CPR: cardiopulmonary resuscitation, ED: emergency department, FU: follow-up, OHCA: out-of-hospital cardiac arrest, ROSC: return of spontaneous circulation, TRP: transport, d: days, y: years, †: death, ?: unknown