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Prevalence and Outcomes of Frailty in Korean Elderly Population: Comparisons of a Multidimensional Frailty Index with Two Phenotype Models

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Listed:
  • Hee-Won Jung
  • Sun-Wook Kim
  • Soyeon Ahn
  • Jae-Young Lim
  • Ji-Won Han
  • Tae-Hui Kim
  • Ki-Woong Kim
  • Kwang-il Kim
  • Cheol-Ho Kim

Abstract

Background: Frailty is related to adverse outcomes in the elderly. However, current status and clinical significance of frailty have not been evaluated for the Korean elderly population. We aimed to investigate the usefulness of established frailty criteria for community-dwelling Korean elderly. We also tried to develop and validate a new frailty index based on a multidimensional model. Methods: We studied 693 participants of the Korean Longitudinal Study on Health and Aging (KLoSHA). We developed a new frailty index (KLoSHA Frailty Index, KFI) and compared predictability of it with the established frailty indexes from the Cardiovascular Health Study (CHS) and Study of Osteoporotic Fracture (SOF). Mortality, hospitalization, and functional decline were evaluated. Results: The prevalence of frailty was 9.2% (SOF index), 13.2% (CHS index), and 15.6% (KFI). The criteria from CHS and KFI correlated with each other, but SOF did not correlate with KFI. During the follow-up period (5.6±0.9 years), 97 participants (14.0%) died. Frailty defined by KFI predicted mortality better than CHS index (c-index: 0.713 and 0.596, respectively; p

Suggested Citation

  • Hee-Won Jung & Sun-Wook Kim & Soyeon Ahn & Jae-Young Lim & Ji-Won Han & Tae-Hui Kim & Ki-Woong Kim & Kwang-il Kim & Cheol-Ho Kim, 2014. "Prevalence and Outcomes of Frailty in Korean Elderly Population: Comparisons of a Multidimensional Frailty Index with Two Phenotype Models," PLOS ONE, Public Library of Science, vol. 9(2), pages 1-8, February.
    • Handle: RePEc:plo:pone00:0087958
    DOI: 10.1371/journal.pone.0087958
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