The advanced dementia prognostic tool: a risk score to estimate survival in nursing home residents with advanced dementia.

Journal of Pain and Symptom Management
Susan L MitchellMichele L Shaffer

Abstract

Estimating life expectancy is challenging in advanced dementia. To create a risk score to estimate survival in nursing home (NH) residents with advanced dementia. This was a retrospective cohort study performed in the setting of all licensed U.S. NHs. Residents with advanced dementia living in U.S. NHs in 2002 were identified using Minimum Data Set (MDS) assessments. Mortality data from Medicare files were used to determine 12-month survival. Independent variables were selected from the MDS. Cox proportional hazards regression was used to model survival. The accuracy of the final model was assessed using the area under the receiver operating characteristic curve (AUROC). To develop a risk score, points were assigned to variables in the final model based on parameter estimates. Residents meeting hospice eligibility guidelines for dementia, based on MDS data, were identified. The AUROC assessed the accuracy of hospice guidelines to predict six-month survival. Over 12 months, 40.6% of residents with advanced dementia (n=22,405) died. Twelve variables best predicted survival: length of stay, age, male, dyspnea, pressure ulcers, total functional dependence, bedfast, insufficient intake, bowel incontinence, body mass index, weight lo...Continue Reading

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