Fig. 1From: Trend in survival after out-of-hospital cardiac arrest and its relationship with bystander cardiopulmonary resuscitation: a six-year prospective observational study in BeijingProposed model of bystander cardiopulmonary resuscitation on survival of out-of-hospital cardiac arrest. ROSC, return of spontaneous circulation; CPR, cardiopulmonary resuscitationBack to article page