Table 1.

Estimated incidence of adult non-traumatic out-of-hospital cardiac arrest in Denver, Colorado.

2003	Number	Incidence§
Denver Metro Population Estimate*	2,229,879	4.5
Denver County Population Estimate†	555,997	18.5
Cardiac Arrests‡	1,027	-
2004
Denver Metro Population Estimate*	2,326,126	4.1
Denver County Population Estimate†	555,836	17.2
Cardiac Arrests‡	958	-

^*Annual estimates of the population of metropolitan and micropolitan statistical areas: April 1, 2000 to July 1, 2006. Accessed at: http://www.census.gov/population/www/estimates/metro general/2006/CBSA-EST2006-02.csv.

^†County total population, population change and estimated components of population change: April 1, 2000 to July 1, 2006. Accessed at: http://www.census.gov/popest/counties/files/COEST2006-ALLDATA.csv.

^‡Defined by all patients who experienced out-of-hospital cardiac arrest for which Denver Paramedics responded to the scene (excludes trauma and pediatrics (defined by an age < 18 years old)).

^§Per 10,000 population.