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- Title
Estimating Prognosis for Nursing Home Residents With Advanced Dementia.
- Authors
Mitchell, Susan L.; Kiely, Dan K.; Hamel, Mary Beth; Park, Pil S.; Morris, John N.; Fries, Brant E.
- Abstract
Context Survival varies for patients with advanced dementia, and accurate prognostic tools have not been developed. A small proportion of patients admitted to hospice have dementia, in part because of the difficulty in predicting survival. Objectives To identify factors associated with 6-month mortality in newly admitted nursing home residents with advanced dementia and to create a practical risk score to predict 6-month mortality in this population. Design, Setting, and Participants This was a retrospective cohort study of data from the Minimum Data Set (MDS). All Medicare or Medicaid licensed nursing homes in New York and Michigan were included. Participants had advanced dementia and were admitted to New York nursing homes between June 1, 1994, and December 30, 1998 (derivation cohort, n = 6799), and to Michigan nursing homes from October 1, 1998, through July 30, 2000 (validation cohort, n = 4631). Main Outcome Measures MDS factors associated with 6-month mortality were determined in the derivation group, and the resulting mortality risk score was evaluated in the validation cohort. Risk score performance was compared with the cut point of 7c on the Functional Assessment Staging (FAST) scale. Results Among residents with advanced dementia, 28.3% (n = 1922) died within 6 months of nursing home admission in the derivation cohort; 35.1% (n = 1626) died in the validation cohort. The 6-month mortality rate increased across risk scores (possible range, 0-19): 0 points, 8.9% mortality; 1 to 2, 10.8%; 3 to 5, 23.2%; 6 to 8, 40.4%; 9 to 11, 57.0%; and at least 12, 70.0% in the validation cohort. The area under the receiver operating characteristic (AUROC) curve for predicting 6-month mortality was 0.74 and 0.70 in the derivation and validation cohorts, respectively. Our risk score demonstrated better discrimination to predict 6-month mortality (AUROC, 0.64 for a cutoff of ≥6 points vs 0.51 for FAST stage 7c). Conclusion A risk score based on 12 variables from the MD...
- Subjects
DEMENTIA; MORTALITY; NURSING home patients; CHRONICALLY ill; PATIENTS; OLDER people; NEUROBEHAVIORAL disorders; SENILE dementia
- Publication
JAMA: Journal of the American Medical Association, 2004, Vol 291, Issue 22, p2734
- ISSN
0098-7484
- Publication type
Article
- DOI
10.1001/jama.291.22.2734