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di: Deficit Index (DI)
A set of utilities for calculating the Deficit (frailty) Index (DI) in gerontological studies. The deficit index was first proposed by Arnold Mitnitski and Kenneth Rockwood and represents a proxy measure of aging and also can be served as a sensitive predictor of survival. For more information, see (i)"Accumulation of Deficits as a Proxy Measure of Aging" by Arnold B. Mitnitski et al. (2001), The Scientific World Journal 1, <DOI:10.1100/tsw.2001.58>; (ii) "Frailty, fitness and late-life mortality in relation to chronological and biological age" by Arnold B Mitnitski et al. (2001), BMC Geriatrics2002 2(1), <DOI:10.1186/1471-2318-2-1>.
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Package details |
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| Author | Ilya Y. Zhbannikov [aut, cre] |
| Maintainer | Ilya Y. Zhbannikov <ilya.zhbannikov@duke.edu> |
| License | GPL-3 |
| Version | 1.1.4 |
| Package repository | View on CRAN |
| Installation |
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