b'CURRENT CARES PARTICIPATIONFigure 1. Map of 2024 CARES ParticipantsThe CARES form also includes a number ofThe CARES dataset is geocoded on an annual optional time elements, including estimatedbasis and linked to a number of census-tract time of arrest, initial CPR, defibrillatory shock,level variables including: median household sustained ROSC, and termination of resuscitativeincome, median age, race and ethnicity, efforts. Supplemental data elements collectedunemployment rate, poverty status, urbanicity, from 911 call centers include the time that theand educational attainment. call was received, the time of dispatch for both first responder and EMS providers, and arrivalCARES began data collection in Atlanta, with time at the scene. nearly 1,500 cases captured in 2006. As of January 2025, the program has since expanded Data elements collected from receiving hospitalsto include 37 state-based registries (Alabama, include emergency department outcome,Alaska, California, Colorado, Connecticut, provision of therapeutic hypothermia/TTM,Delaware, Florida, Hawaii, Illinois, Indiana, Iowa, hospital outcome, discharge location, andKansas, Kentucky, Maine, Maryland, Michigan, neurological outcome at discharge (using theMinnesota, Mississippi, Missouri, Montana, Cerebral Performance Categories [CPC] Scale).Nebraska, Nevada, New Jersey, New York, Receiving facilities may also complete optionalNorth Carolina, North Dakota, Ohio, Oregon, elements outlining hospital procedures, includingPennsylvania, Rhode Island, South Dakota, coronary angiography, CABG, and stent or ICDTexas, Utah, Vermont, Washington, Wisconsin, placement. and Wyoming) plus 43 community sites in 11 additional states, representing a catchment area CARES required data fields are harmonizedof approximately 186 million people or 56% with NHTSAs National EMS Information Systemof the US population. To date, the registry has (NEMSIS) version 3.5. Future efforts will focus oncaptured over 1 million records, with more than alignment of CARES supplemental data elements2,600 EMS agencies and over 2,200 hospitals17with NEMSIS fields. participating nationwide.'