• Population: Nursing home adults aged 65 and older
• Outcome: 6 month survival
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• The index was developed and internally validated in 218,088 nursing home residents (49% of subjects were between 80 and 90 years, 23% were male, 84% were white).
• The index was externally validated in 606 nursing home residents with advanced dementia in 21 nursing homes in Boston, Massachusetts between 2007 and 2009 (39% were 85 and younger, 82% female)
• Discrimination: This risk calculator sorts patients who died from patients who lived correctly 67% of the time (c-statistic, 95% CI, 0.62-0.72).
  
• Calibration: There is no evidence of poor calibration with a Hosmer-Lemeshow goodness-of-fit test.
• Citation: Mitchell SL, Miller SC, Teno JM, Kiely DK, Davis RB, Shaffer ML. Prediction of 6-Month Survival of Nursing Home Residents With Advanced Dementia Using ADEPT vs Hospice Eligibility Guidelines. JAMA. 2010;304(17):1929-1935. doi:10.1001/jama.2010.1572.

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