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Dementia and other competing risks for mortality in the institutionalized aged
Journal of the American Geriatrics Society
|November 1, 1981
Summary
Gender, age, and dementia significantly predict mortality risk in nursing home residents. Functional status was not a significant factor in predicting mortality within five years for these elderly populations.
Area of Science:
- Gerontology
- Public Health
- Epidemiology
Background:
- Nursing home residents face significant mortality risks.
- Understanding predictors of mortality is crucial for patient care and resource allocation.
Purpose of the Study:
- To examine the relative importance of dementia, gender, age, and functional status (FS) on mortality risk.
- To develop and validate a predictive model for mortality in nursing home populations.
Main Methods:
- A statistical model was developed using a random sample of 212 nursing home patients in New York City.
- The model was cross-validated on an independent sample of 118 residents.
- An international model was created by combining NYC samples (N=330) and comparing with Tokyo data (N=363).
Main Results:
- In the New York model, gender was the most significant predictor of mortality, followed by age and dementia.
- Functional status (FS) was not a significant predictor in the New York model.
- Mortality patterns were similar between New York and Tokyo nursing homes, despite potential differences in dementia types.
Conclusions:
- Gender, age, and dementia are key factors influencing mortality risk in nursing home settings.
- Functional status appears less critical for predicting short-term mortality in this population.
- Cross-cultural similarities in mortality predictors suggest universal factors at play in aged care facilities.