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AMI Admissions by County, Crude Rate Ages 35 or Older, New Mexico and Texas Cross Border Hospital Admissions,

Indicator Report Data View Options

Why Is This Important?

No single AMI surveillance system is in place in the United States, nor does such a system exist for coronary heart disease (CHD) in general. Mortality is the sole descriptor for national data for AMI. Estimates of incidence and prevalence of AMI and CHD are largely based on survey samples (e.g., NHANES) or large cohort studies such as the Atherosclerosis Risk in Communities (ARIC) study. In 2007, the American Heart Association estimated 565,000 new attacks and 300,000 recurrent attacks of MI annually (National Heart, Lung, and Blood Institute: based on unpublished data from the ARIC study and the Cardiovascular Health Study [CHS]). Among Americans aged >20 years, new and recurrent MI prevalence for both men and women represented 3.7% of the U.S. population, or 7,900,000 (4.9 million men and 3.0 million women). Corresponding prevalence by race and ethnicity is 5.4% for white men, 2.5% for white women, 3.9% for black men, and 3.3% for black women.


An acute myocardial infarction (heart attack) hospitalization is an admission to the hospital of a New Mexico resident that occurs in-state during a specified time period (such as a year) for AMI as the primary (first-listed) diagnosis. Measures include 1) the number of in-state hospitalizations for AMI; 2) the number of hospitalizations for AMI including Texas hospitalizations; 3) crude rate of in-state hospitalization for AMI among persons 35 and over per 10,000 population; 4) crude rate of hospitalization for AMI among persons 35 and over per 10,000 population including Texas hospitalizations; 5) age-specific rate of in-state hospitalization for AMI per 10,000 population; 6) age-specific rate of hospitalization for AMI per 10,000 population including Texas hospitalizations; 7) age-adjusted rate of in-state hospitalization for AMI among persons 35 and over per 10,000 population (adjusted by the direct method to the 2000 US standard population); 8) age-adjusted rate of hospitalization for AMI among persons 35 and over per 10,000 population including Texas hospitalizations (adjusted by the direct method to the 2000 US standard population). The following International Classification of Diseases, 9th Revision, Clinical Modification codes were used to identify hospital admissions where myocardial infarction was listed as the primary diagnosis: ICD-9-CM 410.0-410.9 or, beginning October 2015, ICD-10-CM I21-I22.

Data Notes

  • Rates have been age-adjusted using the direct method and the 2000 U.S. standard population.
  • This view shows hospitalizations of New Mexico residents who were admitted in New Mexico or Texas which illustrates that New Mexico Hospitalization Inpatient Discharge Data doesn't provide a complete picture of health outcomes, especially in counties located on the New Mexico-Texas border.

Data Sources

  • New Mexico Population Estimates: University of New Mexico, Geospatial and Population Studies (GPS) Program.
  • Hospital Inpatient Discharge Data, New Mexico Department of Health.
  • New Mexico Hospitalizations from Hospital Inpatient Discharge Data, NMDOH and Texas Hospital Inpatient Discharge Data Public Use File, Department of State Health Services, Texas Health Care Information Collection, Austin, Texas.

How the Measure is Calculated

  • Numerator:

    Number of hospital admissions where acute myocardial infarction is the primary diagnosis.
  • Denominator:

    New Mexico resident population.

Data Issues

  • New Mexico Population Estimates

    All population estimates apply to July 1 of the selected year. These estimates are considered the most accurate estimates for the state of New Mexico and should match those found on the University of New Mexico Geospatial and Population Studies website. Estimates include decimal fractions. Census tract population estimates were summed to produce County and Small Area population estimates. Population estimate totals may vary due to rounding. Population estimates for previous years are occasionally revised as new information becomes available. When publishing trend data, always be sure that your rates for earlier years match current rates on NM-IBIS that have been calculated with the most up-to-date population estimates.

  • Hospital Inpatient Discharge Data (HIDD)

    ICD Stands for 'International Classification of Diseases.' It is a coding system maintained by the World Health Organization and the U.S. National Center for Health Statistics and is used to classify diagnoses for hospital and emergency department visits. This coding system underwent a major revision from version 9 (ICD9) to version 10 that went into effect October 1, 2015. In most cases, the two versions do not provide comparable results and the two time periods should not be combined in a single query. The hospital inpatient discharge data include visits to NON-FEDERAL HOSPITALS only. Visits to Veteran's Administration (VA) facilities and Indian Health Service (IHS) facilities have not been included, unless specifically stated otherwise. The data include all hospital visits. Persons with multiple hospital visits will be counted multiple times. Transfer visits have not been removed from the dataset. Patients who were transferred from one facility to another will have data records at each facility. Newborns have been excluded from the data when the hospital stay was for childbirth. The hospital inpatient dataset includes only New Mexico residents hospitalized in New Mexico hospitals, and will undercount hospitalizations of New Mexico residents who visited a hospital in another state. In cases of serious injuries near the state borders, oftentimes patients will be transported to a nearby trauma center in the bordering state.

Health Topic Pages Related to: Acute Myocardial Infarction (AMI) Hospitalizations

Indicator Data Last Updated On 04/06/2022, Published on 04/19/2022
Environmental Health Epidemiology Bureau, Environmental Public Health Tracking Program, Epidemiology and Response Division, New Mexico Department of Health, 1190 S. Saint Francis Drive, Suite 1300, Santa Fe, NM 87505, Srikanth Paladugu, Bureau Chief,, or Stephanie Moraga-McHaley, Environmental Epidemiologist Supervisor,