Incidence is per 100,000 person-years. Compared to Europe, North America, and Australia, EMS attended OHCA was lower in Asia, and EMS treated OHCA of presumed cardiac cause was higher in North America than in other regions. *P < 0.05; **P < 0.01; ***P < 0.001.
EMS indicates emergency medical service; OHCA, out of hospital cardiac arrest. Adapted from Berdowski et al17 with permission.