Figure 1.

(a)Cardiac arrests placed into the Utstein template. *It was not possible to determine the number of resuscitations not attempted because records for patients who were pronounced dead at the scene were not available. **Return of spontaneous circulation (ROSC). # Results before October 2002. (b) Non-cardiac arrests placed into the Utstein style. EMS, Emergency Medical Service; ICU, intensive care unit; VF, ventricular fibrillation; VT, ventricular tachycardia.