b'CARES Annual Report 2020 | 3 ContentsIntroduction5 A Year in Review7 Why CARES Matters: A Story of Survival from OHCA8 The Cardiac Arrest Registry to Enhance Survival (CARES)11 CARES in Action15 Executive Summary21 Incidence & Demographics22 Chain of Survival27 Survival Outcomes32 Coronavirus Impact40 2020 Research Highlights 46 List of Abbreviations & Definitions49 The CARES Group 50 Note: Some photos in this report were taken prior to the COVID-19 pandemic.'