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Accurately assessing elderly fall deaths using hospital discharge and vital statistics data
Steven A Koehler1, Harold B Weiss, Abdulrezzak Shakir
1Allegheny County Coroner's Office, Pittsburgh, Pennsylvania 15219, USA. skoehler@county.allegheny.pa.us
The American Journal of Forensic Medicine and Pathology
|February 28, 2006
Summary
Hospital discharge data and death certificates show discrepancies in elderly fall fatalities. Forensic review revealed undercounts in vital statistics and overcounts in hospital data, highlighting the need for improved death investigations and physician education.
Area of Science:
- Forensic pathology
- Public health surveillance
- Gerontology
Background:
- Fatal injury surveillance traditionally relies on death certificates (DC), which have known limitations.
- Hospital discharge data (HDD) offer a secondary data source for in-hospital deaths, but discrepancies with DC exist.
- Previous studies noted inconsistencies between HDD and DC, particularly for elderly fall deaths.
Purpose of the Study:
- To investigate discrepancies between hospital discharge data (HDD) and vital statistics data (VSD) for elderly fall-associated fatalities.
- To determine the accuracy of death certificates (DC) in classifying manner of death for fall-related fatalities in individuals aged 65 and over.
- To identify undercounts and overcounts in existing surveillance data for elderly falls.
Main Methods:
- Retrospective forensic review of elderly (65+) fall-associated fatalities (E880-E888).
- Data sourced from hospital discharge data (HDD) and vital statistics data (VSD) in Allegheny County, Pennsylvania (1997-1998).
- Seventy-seven cases were analyzed, comparing initial DC classification with forensic findings.
Main Results:
- Forensic review indicated that 28% of death certificates (DC) should have been reclassified from natural to accidental, revealing an undercount in vital statistics data (VSD).
- In 22% of hospital discharge data (HDD) fall-associated deaths, the fall was not the direct or sequential cause of death, indicating an overcount in HDD.
- Undercounts resulted from underestimating the significance of falls in subsequent pathology, while overcounts occurred when falls were not directly linked to the cause of death.
Conclusions:
- Elderly fall surveillance systems should only include HDD E-coded falls with serious traumatic injury directly or sequentially leading to death.
- All in-hospital fall-associated deaths require reporting and review by coroner/Medical Examiner offices for accurate cause and manner of death determination.
- Enhanced physician education is crucial for accurate completion of death certificates, particularly regarding the role of falls in mortality.
