Author Contributions: Dr Sasson had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Sasson, Hegg, Kellerman, McNally.
Acquisition of data: Park, Kellerman, McNally.
Analysis and interpretation of data: Sasson, Hegg, Macy, Kellerman.
Drafting of the manuscript: Sasson, Hegg, Macy, Park, Kellerman, McNally.
Critical revision of the manuscript for important intellectual content: Sasson, Macy, Kellerman, McNally.
Statistical analysis: Sasson, Park.
Obtained funding: Kellerman, McNally.
Administrative, technical, or material support: Sasson, Park, Kellerman, McNally.
Financial Disclosures: None reported.
Funding/Support: The Cardiac Arrest Registry to Enhance Survival (CARES) is funded by grant support from the Centers for Disease Control and Prevention (CDC) and Emory University and is also sponsored by the Southeastern affiliate of the American Heart Association.
Role of the Sponsors: The CDC assisted in the design and funding of the surveillance database. The CDC and the American Heart Association had no role in the design and conduct of the study; the collection, management, analysis, and interpretation of the data; or the preparation, review, or approval of the manuscript.
Additional Members of the CARES Surveillance Group: Mike Levy, MD (Anchorage Fire Department/EMS [Anchorage, Alaska]); Ian Greenwald, MD, Earl Grubbs, MD, and Eric Ossman, MD (Metropolitan Atlanta, Georgia [Clayton, Cobb, Douglas, Fulton, Gwinnett, Newton, and Rockdale Counties]); Ed Racht, MD (Austin-Travis County EMS [Austin, Texas]); Peter Moyer, MD (Boston EMS [Boston, Massachusetts]); Donald Locasto, MD (Cincinnati Fire Department–EMS [Cincinnati, Ohio]); Michael Keseg, MD (Columbus Fire Department–EMS [Columbus, Ohio]); David Persse, MD (Houston Fire Department–EMS [Houston, Texas]); and Brent Myers, MD (Wake County EMS [Raleigh, North Carolina]).
Previous Presentations: This work was presented in part at the Society for Academic Emergency Medicine Annual Meeting; Washington, DC; May 29-June 1, 2008.
Additional Contributions: We thank the 19 EMS agencies and 111 hospitals from 8 US cities that comprise the CARES Surveillance Group. We also thank the Robert Wood Johnson Clinical Scholars Program for its assistance.