Research Article

The Prognosis of Cardiac Origin and Noncardiac Origin in-Hospital Cardiac Arrest Occurring during Night Shifts

Figure 1

Percentage of witnessed event and bystander CPR at the time of the event per shift: (a) cardiac origin in-hospital cardiac arrest and (b) noncardiac origin in-hospital cardiac arrest.
(a) Cardiac origin
(b) Noncardiac origin