b'4List of FiguresFigure 1. Map of 2021 CARES participants.11Figure 2. Age distribution of OHCA events.22Figure 3. Etiology of arrest for adults.23Figure 4. Etiology of arrest for pediatric patients.23Figure 5. Etiology of arrest by age group.23Figure 6. Location of arrest.24Figure 7. Percentage of events that are bystander witnessed, receive bystander CPR,and survive to hospital discharge by arrest location.24Figure 8. Arrest witness status.25Figure 9. Presenting arrest rhythm by arrest witness status.25Figure 10. Distribution of First Responder and EMS response times(time interval from 911 call to arrival on scene).27Figure 11. Survival rate by EMS response time and arrest witness status.28Figure 12. Survival rate by EMS response time and arrest witness status, among patientswho received bystander CPR.28Figure 13. Bystander CPR provision by arrest witness status.30Figure 14. Unadjusted survival outcomes after bystander CPR.30Figure 15. Unadjusted survival outcomes by who performed first defibrillation in the populationwith a shockable presenting rhythm.31Figure 16. Unadjusted pre-hospital and in-hospital OHCA patient outcomes.32Figure 17. Unadjusted survival outcomes by arrest etiology.33Figure 18. Unadjusted survival outcomes by presenting arrest rhythm.33Figure 19. Unadjusted survival outcomes by arrest witness status. 33Figure 20. 2020 CARES Non-Traumatic Etiology Utstein Survival Report.34Figure 21. 2020 CARES Non-Traumatic Etiology Hospital Survival Report.37Figure 22. Variability in overall survival rates, among EMS agencies with 200 CARES cases in 2020. 38Figure 23. Variability in Utstein survival rates, among EMS agencies with 200 CARES cases in 2020. 38Figure 24. Variability in bystander CPR rates, among EMS agencies with 200 CARES cases in 2020.38Figure 26. Newly reported COVID-19 deaths in the US by month.40Figure 27. CARES cases by month, 2020.40Figure 28. Trends in key OHCA indicators, 2020.41Figure 29. Average interval from time of arrest to time of first CPR & defibrillatory shock by month42Figure 30. Overall survival by month (2019 vs 2020).43Figure 31. Utstein survival by month (2019 vs 2020). 43Figure 32. Drug overdose etiology by age group (2019 vs 2020). 44List of TablesTable 1. CARES inclusion criteria. 12 Table 2. CARES exclusion criteria.12 Table 3. Cerebral Performance Category (CPC) scores.32 Table 4. Public Reporting of State Aggregate Metrics, 2020.39'