In this issue of JAMA Surgery, Byrne et al1 describe their analysis of the association between emergency medical service (EMS) response time and motor vehicle crash (MVC) mortality using US county-level data. The study used information from the National EMS Information System related to ground EMS activations from 2013 through 2015. These data were linked to fatalities reported to the Fatality Analysis Reporting System of the National Highway Traffic Safety Administration. The methods were robust, with well-defined inclusion and exclusion criteria and adjustment for important covariates, such as on-scene EMS times, EMS transport times, proximity of trauma centers, traffic safety laws, rural or urban setting, and availability of helicopter or air medical transport.
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Crandall M. Rapid Emergency Medical Services Response Saves Lives of Persons Injured in Motor Vehicle Crashes. JAMA Surg. 2019;154(4):293–294. doi:10.1001/jamasurg.2018.5104
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