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TRENDS IN THE PREVALENCE OF FRAILTY IN JAPAN: A META-ANALYSIS FROM THE ILSA-J

H. MAKIZAKO, Y. NISHITA, S. JEONG, R. OTSUKA, H. SHIMADA, K. IIJIMA, S. OBUCHI, H. KIM, A. KITAMURA, Y. OHARA, S. AWATA, N. YOSHIMURA, M. YAMADA, K. TOBA, T. SUZUKI

J Frailty Aging 2021;10(3)211-218

Objective: To examine whether age-specific prevalence of frailty in Japan changed between 2012 and 2017. Design: This study performed meta-analyses of data collected from 2012 to 2017 using the Integrated Longitudinal Studies on Aging in Japan (ILSA-J), a collection of representative Japanese cohort studies. Setting: The ILSA-J studies were conducted on community-living older adults. Participants: ILSA-J studies were considered eligible for analysis if they assessed physical frailty status and presence of frailty in the sample. Seven studies were analyzed for 2012 (±1 year; n = 10312) and eight studies were analyzed for 2017 (±1 year; n = 7010). Five studies were analyzed for both 2012 and 2017. Measurements: The study assessed the prevalence of frailty and frailty status according to 5 criteria: slowness, weakness, low activity, exhaustion, and weight loss.Results: The overall prevalence of physical frailty was 7.0% in 2012 and 5.3% in 2017. The prevalence of frailty, especially in people 70 years and older, tended to decrease in 2017 compared to 2012. Slight decreases were found in the prevalence of frailty subitems including weight loss, slowness, exhaustion, and low activity between 2012 and 2017, but change in the prevalence of weakness was weaker than other components. Conclusions: The prevalence of physical frailty decreased from 2012 to 2017. There are age- and gender-related variations in the decrease of each component of frailty.

CITATION:
H. MAKIZAKO ; Y. NISHITA ; S. JEONG ; R. OTSUKA ; H. SHIMADA ; K. IIJIMA ; S. OBUCHI ; H. KIM ; A. KITAMURA ; Y. OHARA ; S. AWATA ; N. YOSHIMURA ; M. YAMADA ; K. TOBA ; T. SUZUKI (2020): TRENDS IN THE PREVALENCE OF FRAILTY IN JAPAN: A META-ANALYSIS FROM THE ILSA-J. The Journal of Frailty and Aging (JFA). http://dx.doi.org/10.14283/jfa.2020.68

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