Mortality and Adverse Health Events in Newly Admitted Nursing Home Residents with and without Dementia

Authors:
  • SZSheryl Zimmerman
    Sheryl Zimmerman
  • AGAnn L. Gruber‐Baldini
    Ann L. Gruber‐Baldini
  • CDCarol Van Doorn
    Carol Van Doorn
  • JHJ. Richard Hebel
    J. Richard Hebel
  • PGPearl German
    Pearl German
  • LBLynda Burton
    Lynda Burton
  • GTGeorge Taler
    George Taler
  • CMConrad May
    Conrad May
  • CQCharlene C. Quinn
    Charlene C. Quinn
  • CPCynthia L. Port
    Cynthia L. Port
  • MBMona Baumgarten
    Mona Baumgarten
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Abstract
Objectives: To evaluate the association between dementia and mortality, adverse health events, and discharge disposition of newly admitted nursing home residents. It was hypothesized that residents with dementia would die at a higher rate and develop more adverse health events (e.g., infections, fevers, pressure ulcers, falls) than residents without dementia because of communication and self‐care difficulties. Design: An expert clinician panel diagnosed an admission cohort from a stratified random sample of 59 Maryland nursing homes, between 1992 and 1995. The cohort was followed for up to 2 years or until discharge. Setting: Fifty‐nine Maryland nursing homes. Participants: Two thousand one hundred fifty‐three newly admitted residents aged 65 and older not having resided in a nursing home for 8 or more days in the previous year. Measurements: Mortality, infection, fever, pressure ulcers, fractures, and discharge home. Results: Residents with dementia had significantly lower overall rates of infection (relative risk (RR)=0.77, 95% confidence interval (CI)=0.70–0.85) and mortality (RR=0.61, 95% CI=0.53–0.71) than those without dementia, whereas rates of fever, pressure ulcers, and fractures were similar for the two groups. These results persisted when rates were adjusted for demographic characteristics, comorbid conditions, and functional status. During the first 90 days of the nursing home stay, residents with dementia had significantly lower rates of mortality if not admitted for rehabilitative care under a Medicare qualifying stay (RR=0.25, 95% CI=0.14–0.45), were less often discharged home (RR=0.33, 95% CI=0.28–0.38), and tended to have lower fever rates (RR=0.78, 95% CI=0.63–0.96) than residents without dementia. Conclusion: Newly admitted nursing home residents with dementia have a profile of health events that is distinct from that of residents without dementia, indicating that the two groups have different long‐term care needs. Results suggest that further investigation of whether residents with dementia can be well managed in alternative residential settings would be valuable.

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