Table 1. Demographic characteristics of the 2344 out-of-hospital cardiac arrest of presumed cardiac origin occurring in Canton Ticino from 2005 until 2018.

Variable	Value
Age (yrs)	71 ± 14
Men (n, %)	1668 (71.2%)
Home location OHCA (n, %)	1552 (66.2%)
Time from call to EMS arrival, mins (median, IQR)	10 [8–14]
Unwitnessed OHCA (n, %)	915 (39%)
Bystander CPR (n, %)	1418 (60.5%)
Time from call to CPR, mins (median, IQR)	6 [3–10]
First rhythm shockable (n, %)	815 (35.9%)
Shock before EMS arrival (n, %)	140 (6%)
Sustained ROSC (n, %)	810 (34.6%)
Time from event to ROSC, mins (median, IQR)	26 [19–36]
Survival at hospital discharge (n, %)	477 (20.4%)