EMSCompare: Improving Out-of-Hospital Emergency Care

Bystander-Witnessed EMS-Treated Shockable (VF/VT) Cardiac Arrest (Presumed Cardiac Etiology)

CARES - National (USA)Wake County EMSKing County EMSVentura CountySan Francisco Fire DepartmentLondon Ambulance ServiceBoston EMSContra Costa CountyAustin-Travis County EMSSan Diego Fire/Rescue DepartmentRichmond Ambulance AuthorityAnchorage Fire DepartmentHouston Fire Department
Service AreaWake County, NC, USAKing County, Washington, USA excluding SeattleVentura County, California, USASan Francisco, California, USAGreater London, UKBoston, Massachusetts, USATravis County, Texas, USASan Diego, California, USARichmond, Virginia, USAAnchorage, Alaska, USAHouston, Texas, USA
Population Size866,0001.3 million800,000809,0007 million609,0001 million999,0001.3 million175,000280,0002.2 million
Period10/01/05 - 03/31/0901/01/09 - 12/31/0901/01/08 - 06/30/0907/01/08 - 12/31/0803/01/09 - 12/31/0904/01/08 - 03/31/0901/01/09 - 12/31/0901/01/09 - 06/30/0901/01/09 - 12/31/0907/01/09 - 12/31/0901/01/09 - 12/31/0901/01/09 - 12/31/0901/01/09 - 12/31/09
ROSC > 30 Seconds54% (848/1563)69% (44/64)44% (8/18)32% (7/22)45% (233/521)59% (35/59)61% (23/38)59% (10/17)71% (15/21)68% (122/180)
Hospital Admission44% (686/1563)59% (38/64)71% (136/196)39% (7/18)23% (5/22)53% (31/59)47% (18/38)41% (7/17)62% (13/21)56% (100/180)
Incomplete Discharge Data 3% (42/1563) 0% (0/64) 0% (0/196)11% (2/18) 5% (1/22)19% (99/521)0% (0/59)18% (7/38) 9% (1/17)0% (0/21) 3% (5/180)
Discharged Alive (Including incompletes)26% (400/1563)42% (27/64)48% (94/196)17% (3/18) 9% (2/22)12% (64/521)44%23% (7/30)40% (24/59)21% (8/38)18% (3/17)48% (10/21)32% (57/180)
Discharged Alive (Excluding incompletes)26% (400/1521)19% (3/16)10% (2/21)15% (54/422)26% (8/31)19% (3/16)33% (57/175)
Discharged Alive (Assuming ALL incompletes survived)28% (442/1563)28% (5/18)14% (3/22)31% (163/521)39% (15/38)24% (4/17)34% (62/180)
Bystander CPR50% (780/1563)67% (43/64)72% (142/196)61% (11/18)27% (6/22)54% (281/521)47% (14/30)59% (35/59)66% (25/38)29% (5/17)48% (10/21)65% (120/184)
SourceUtstein Report (Page 8)Utstein ReportUtstein ReportUtstein Report (Page 17)Utstein ReportUtstein Report (Page 6)E-mailUtstein ReportUtstein ReportUtstein ReportUtstein ReportUtstein Report

< 30%≥ 30% < 40%≥ 40%

Patient Contact and Transport Rates for Two-Tiered Response Systems

Seattle Medic OneKing County Medic OneShoreline / Redmond / Bellevue Medic OneVashon Medic One
Service AreaSeattle, WashingtonSouth King County, WashingtonNorth & East King County, WashingtonVashon Island, King County, Washington
Paramedic Patient Contact RateA39% (15,660/40,019)18% (11,165/61,508)30% (13,226/43,505)60% (638/1,064)
Paramedic Transport RateB44% (4,494/10,209)51% (5,937/11,559)17% (161/946)

A. (ALS responses - ALS responses cancelled enroute) / (BLS responses - BLS responses cancelled enroute) Warning: Assumes every ALS response is accompanied by a BLS response
B. (ALS transports) / (ALS responses - ALS responses cancelled enroute - ALS responses involving no transport)
Shoreline / Redmond / Bellevue Medic One are grouped together because of their 'closest medic unit' dispatching model Report

MISC.