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Underestimating injury mortality using statewide databases.

N Clay Mann1, Stacey Knight, Lenora M Olson

  • 1Intermountain Injury Control Research Center, Department of Pediatrics, University of Utah School of Medicine, Salt Lake City, Utah 84108, USA. clay.mann@hsc.utah.edu

The Journal of Trauma
|January 28, 2005
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This summary is machine-generated.

Linking multiple databases significantly increases injury mortality estimates. This study reveals many injury deaths are misclassified, especially after emergency department (ED) and emergency medical services (EMS) care.

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Area of Science:

  • Public Health
  • Epidemiology
  • Trauma Research

Background:

  • Injury-related deaths are often misclassified in vital statistics.
  • Assessing post-discharge mortality in injured patients is crucial.

Purpose of the Study:

  • To evaluate misclassification of injury deaths in vital statistics.
  • To determine the rate of death after hospital, ED, and EMS care for injured patients.

Main Methods:

  • Probabilistically linked statewide death certificate, inpatient, ED, and EMS databases (1996-1997).
  • Compared data across linked databases to identify discrepancies and post-discharge deaths.

Main Results:

  • 1,294 injured patients linked to death certificates; 56.3% injury, 43.7% illness as cause of death.
  • Deaths coded as illness were in older patients with chronic conditions.
  • Post-discharge deaths: 6% (inpatient), 38% (ED), 9% (EMS); many occurred in later care phases.

Conclusions:

  • Injury mortality estimates increase substantially when integrating multiple data sources.
  • Current vital statistics may underestimate injury-related fatalities.
  • Post-discharge mortality is a significant concern for ED and EMS patients.