b'CARES 2023 Annual ReportList of FiguresFigure 1. Map of 2023 CARES participants 14Figure 2. Age distribution of OHCA events 30Figure 3. Etiology of arrest for adults 31Figure 4. Etiology of arrest for pediatric patients31Figure 5. Etiology of arrest by age group 31Figure 6. Location of arrest 32Figure 7. Percentage of events that are bystander witnessed, receive bystander CPR, and survive to32hospital discharge by arrest locationFigure 8. Arrest witness status 33Figure 9. Presenting arrest rhythm by arrest witness status 33Figure 10. Distribution of First Responder and EMS response times (time interval from 911 call to35arrival on scene)Figure 11. Survival rate by EMS response time and arrest witness status 36Figure 12. Survival rate by EMS response time and arrest witness status, among patients who36received bystander CPR.Figure 13. Bystander CPR provision by arrest witness status. 37Figure 14. Unadjusted survival outcomes after bystander CPR. 37Figure 15. Unadjusted survival outcomes by who performed first defibrillation in the population with a39shockable presenting rhythmFigure 16. Unadjusted pre-hospital and in-hospital OHCA patient outcomes 40Figure 17. Unadjusted survival outcomes by arrest etiology 41Figure 18. Unadjusted survival outcomes by presenting arrest rhythm 41Figure 19. Unadjusted survival outcomes by arrest witness status 41Figure 20. 2023 CARES Non-Traumatic Etiology Utstein Survival Report 42Figure 21. 2023 CARES Non-Traumatic Etiology Hospital Survival Report 44Figure 22. Variability in overall survival rates, among EMS agencies with 200 CARES cases in 2023 45Figure 23. Variability in Utstein survival rates, among EMS agencies with 200 CARES cases in 2023 45Figure 24. Variability in bystander CPR rates, among EMS agencies with 200 CARES cases in 2023 45List of TablesTable 1. CARES inclusion criteria 15Table 2. CARES exclusion criteria 15Table 3. Cerebral Performance Category (CPC) scores 40Table 4. Public Reporting of State Aggregate Metrics, 2023 474'