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Indicator Report - Heart Attack: Hospitalizations

Why Is This Important?

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

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data table

Data Notes

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.

Data Sources

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.

Other Views


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

Numerator: 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
Denominator: When applicable, population was obtained from the IBIS query for appropriate years by 5-year age groups for persons 35 and above.

Page Content Updated On 11/21/2014, Published on 11/21/2014
The information provided above is from the Utah Department of Health's Center for Health Data IBIS-PH web site ( The information published on this website may be reproduced without permission. Please use the following citation: "Retrieved Tue, 25 November 2014 14:48:46 from Utah Department of Health, Center for Health Data, Indicator-Based Information System for Public Health Web site:".

Content updated: Fri, 21 Nov 2014 12:45:14 MST