|Time of crash to EMS notification||6.77||37%||3.62||46%|
|EMS notification to EMS arrival at crash scene||11.36||35%||6.26||47%|
|EMS arrival at crash scene to hospital arrival||36.28||67%||26.63||72%|
|Time of crash to hospital arrival1||51.78||68%||35.46||71%|
SOURCE: U.S. Department of Transportation, National Highway Traffic Safety Administration, Traffic Safety Facts 1998 (Washington, DC: 1999).