Figure 2

Multivariable logistic regression analysis on survival to discharge. Multivariate logistic regression analysis was performed after adjusting for sex, age, witnessed status, place of cardiac arrest, bystander CPR, initial cardiac arrest rhythm, prehospital defibrillation, response time, scene time, transport time, and prehospital ROSC. CPR, cardiopulmonary resuscitation; ROSC, return of spontaneous circulation.