Heart attacks (myocardial infarctions) are associated with coronary heart disease, the number one killer of Utahns. There
are several types of risk factors associated with heart attacks. Some of these include family history, high blood pressure,
tobacco use, high cholesterol, physical inactivity, diabetes, obesity, and exposures to environmental contaminants.
Recent studies have shown significant relationships between air pollutants and increased risk of heart attack or other forms
of coronary heart disease. Particulate matter (PM2.5) has shown to be associated with increased risk in sensitive sub-populations
such as the elderly, patients with preexisting heart disease, and those who are survivors of a heart attack.
Heart Attack Hospitalizations: Age-Adjusted Rates Among Persons 35 and Over by Year, Utah, 2000-2012
This data is provided to the Environmental Epidemiology Program (EEP) within the Utah Department of Health (UDOH). This data
is converted from being discharge data (which is present on the queryable data sets) to data by admission date.
Heart attacks were defined with a primary diagnosis of 410-410.92 according to the International Classification of Diseases
(ICD-9) codes. The U.S. is currently using the 10th revision (ICD-10) to code causes of death. The 9th revision (ICD-9) is
still used for hospital and emergency department visits. `
Age-adjusted rates were calculated using county specific crude rates for ages 35 and older with 2000 standard U.S. population
weights for age 35 and older.
Utah Inpatient Hospital Discharge Data, Office of Health Care Statistics, Utah Department of Health.
Population Estimates: National Center for Health Statistics (NCHS) through a collaborative agreement with the U.S. Census
Bureau, IBIS Version 2013.
A heart attack is also called a myocardial infarction. A heart attack occurs when a coronary artery is completely blocked
by a clot resulting in lack of blood flow to the heart and death of part of the heart muscle.
These heart attack hospitalizations are based on the date of admission (using the same discharge dataset, but converting to
date of admission).
How We Calculated the Rates
This indicator contains the following ways of characterizing hospitalizations:
1. Number of hospitalizations for a primary diagnosis of heart attack
2. Rate of hospitalization among persons 35 and over by age group
3. Age-adjusted rate of hospitalization for persons 35 and over
4. Average daily number of hospitalizations by month
5. Maximum daily number of hospitalizations by month
6. Minimum daily number of hospitalizations by month
When applicable, population was obtained from the IBIS query for appropriate years by 5-year age groups for persons 35 and
Page Content Updated On 11/21/2014,
Published on 11/21/2014
Utah Environmental Public Health Tracking Network, Utah Department of Health, P.O. Box 142104, Salt Lake City, UT 84114-2104, Telephone: 801-538-6191, Fax: 801-538-6564, Email:
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Health Data IBIS-PH web site (http://ibis.health.utah.gov). The information published
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