• Population: Community-dwelling adults aged 65 and older
• Outcome: All cause 5 and 9 year mortality
• Scroll to the bottom for more detailed information

• This index was developed in 16,077 community dwelling older adults who responded to the 1997-2000 National Health Interview (NHIS) (27% >80 years old, 60% female, 85% white, 17% 5-year mortality)
• The index was internally validated in a random sample of 8038 from respondents from the same data source from 2001-2004(27% >80 years old, 60% female, 85% white, 17% 5-year mortality)
• Discrimination: This risk calculator sorts patients who died from patients who lived correctly 75% of the time (c-statistic). The discrimination was the same in the independent validation study.
  
• Calibration: The model was well calibrated across all risk levels with less than 10% difference between estimated and actual mortality.
• Citation: Schonberg MA, Davis RB, McCarthy EP, and Marcantonio ER. Index to predict 5-year mortality of community dwelling adults aged 65 an older using data from the National Health Interview Survey. J Gen Intern Med. 2009;24(10):1115-1022.
• Additional Validation Citation: Schonberg MA, Davis RB, McCarthy EP, Marcantonio ER. External validation of an index to predict up to 9-year mortality of community-dwelling adults aged 65 and older. J Am Geriatr Soc. 2011 Aug;59(8):1444-51.

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