Ann Geriatr Med Res.  2018 Sep;22(3):137-144. 10.4235/agmr.2018.22.3.137.

Discrepancies in the Prevalence of Known Frailty Scales: Korean Frailty and Aging Cohort Study

Affiliations
  • 1Department of Family Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea. cjk@kuh.ac.kr
  • 2Department of Family Medicine, College of Medicine, Kyung Hee University, Seoul, Korea.

Abstract

BACKGROUND
The identification of frailty is considered an effective means of enhancing healthy aging. The definition of frailty affects its prevalence and associated institutionalization and mortality. This study aimed to identify the prevalence of frailty among community-dwelling older Korean adults according to different frailty scales.
METHODS
This cross-sectional study based on the Korean Frailty and Aging Cohort Study represents a population of 1,318 people aged 70 years and older. Discrepancies in the prevalence of frailty were evaluated among six validated assessment tools. Multivariate logistic regression analysis was used to evaluate the prevalence of frailty according to its predictors (age, sex, and socioeconomic status).
RESULTS
The mean age of the participants was 76.1 (standard deviation, 3.9) years, and females comprised 51.0%. The prevalence of frailty varied from 2.5% to 12.4% using the Study of Osteoporotic Fracture frailty index and the Korean version of the Fatigue, Resistance, Ambulation, Illnesses, and Loss of Weight scale, respectively. The prevalence of frailty was higher among women and frailty rates increased with age on all scales. The risks of prefrailty and frailty were increased among participants with a low education level after adjusting for age, sex, residence, and income level.
CONCLUSION
In this study, the prevalence of frailty was found to vary depending on the scale used. Efforts aimed at screening and providing intervention for frailty and frail adults at risk, respectively, are needed to improve health outcomes considering the characteristics of each frailty scale and the determined prevalence.

Keyword

Frailty; Prevalence; Frailty scale; Older; Korean Frailty and Aging Cohort Study
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