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Tolerance weighted frequency indices for non-cognitive symptoms of dementia

Department of Psychiatry and Psychology, Mayo Clinic Alzheimer's Disease Center, Rochester, Minnesota

Eric G. Tangalos, MD

Division of Community Internal Medicine, Mayo Clinic Alzheimer's Disease Center, Rochester, Minnesota

Robert J. Ivnik, MD

Department of Psychiatry and Psychology, Mayo Clinic Alzheimer's Disease Center, Rochester, Minnesota

Emre Kokmen, MD

Ronald C. Petersen, MD

Department of Neurology, Mayo Clinic Alzheimer's Disease Center, Rochester, Minnesota

In this study we examine factors which are associated with nursing home placement in terms of both their frequency of occurrence and the degree to which caregivers perceive them to have influenced placement. We propose "Tolerance Weighted Frequency Indices " (TWFIs) to rank symptoms in terms of their association with placement decisions. Given our method for calculating TWFIs we observe that basic activity of daily living impairments appear to have a comparatively stronger association with nursing home placement than many disruptive behaviors. These findings emphasize the importance of management of ADL impairments in strategies designed to delay or prevent nursing home placement.

American Journal of Alzheimer's Disease and Other Dementias®, Vol. 10, No. 5, 2-10 (1995)
DOI: 10.1177/153331759501000502


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