| Site of incidencea | Total number (patients) | Percentage (%) | Average age (years) |
Comparison by site of incidence for cardiac arrest | Residences | 11068 | 82.8 | 77.5 |
Outdoors | 1334 | 10.0 | 55.7 | |
Indoors | 859 | 6.4 | 61.6 | |
Schools | 98 | 0.7 | 49.5 | |
Others | 5 | 0.0 | 62.6 |