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This article discusses the limitations of current injury data analysis methods and proposes modifications to include specific mechanisms and intents of injury deaths for a more comprehensive analysis. The External Cause of Injury Mortality Matrix is introduced as a way to categorize injury deaths based on intent and mechanism, providing additional insight for research and prevention efforts.
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External Cause of Injury Mortality Matrix Lois A. Fingerhut on behalf on the ICE on Injury Statistics October 2004 Centers for Disease Control and Prevention National Center for Health Statistics
Current WHO Tabulation Lists • Not ideal for the analysis of injury data • Mechanisms missing for intentional deaths • Suicides • Firearm, poisoning, suffocation • Homicides • Firearm, cut/pierce • Undetermined intent not included
External Cause Categories from the WHO Special Tabulation Lists
External Cause Categories from the WHO Special Tabulation Lists
External Causes in the WHO Mortality Database Tabulation List
External Causes in the WHO Mortality Database Tabulation List
What if we need to look at specific mechanisms of injury? • Firearms? • No categories in the special tabulation lists • Only accidental firearm deaths in the Mortality Database list • Poisonings? • Only accidental poisonings shown in both lists
Proposed Modifications and Additions to Current Lists • Current lists modified to include all intent categories • Add undetermined intent • Add legal intervention/operations of war • Ensure unintentional categories sum to total unintentional deaths
External Causes in the WHO Mortality Database Tabulation List
Proposed Modifications and Additions to Current Lists (cont.) • Add External Cause of Injury Mortality Matrix as additional list • Developed by the ICE on Injury Statistics • Internationally accepted
Intent of death External Cause of Injury Mortality Matrix
Mechanism of death External Cause of Injury Mortality Matrix
Two Proposed Levels of Detail • Level 1 • Based on mechanism or cause only • Level 2 • Includes each combination of mechanism and intent
Bridge Intent ICECI ICD Intent, Mechanism, Transport module Chapter XX – External causes External cause matrix categories Mechanism Relationship between ICECI and ICD-10 Chapter XX
Questions? Lois Fingerhut US National Center for Health Statistics LFingerhut@cdc.gov