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Prevalence of Frailty in Brazilian Older Adults: A Systematic Review and Meta-analysis

Melo, R. C., Cipolli, G. C., Buarque, G. L. A., Yassuda, M. S., Cesari, M., Oude Voshaar, R. C. & Aprahamian, I., 2020, In : The Journal of Nutrition, Health & Aging. 24, 7, p. 708-716 9 p.

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  • Prevalence of Frailty in Brazilian Older Adults A Systematic Review and Meta-Analysis

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OBJECTIVES: Frailty is characterized by a functioning decline in multiple systems accompanied by an increase in individual's vulnerability to stressors. It appears to be higher in low and middle-income countries compared with high-income ones. This study aimed to evaluate the prevalence of frailty in non-institutionalized Brazilian older adults.

DESIGN: a systematic review and meta-analysis study.

SETTING: Cross-sectional and prospective data from Brazil.

PARTICIPANTS: non-institutionalized adults aged 60 and older.

METHODS: Electronic searches were performed in PubMed/MEDLINE, LILACS, SCOPUS and Web of Science, considering the studies published between March 2001 and July 2018, using a combination of the following terms and correlates: "elder" AND "frail" AND "prevalence" AND "Brazil". Two independent reviewers selected studies according to the inclusion criteria. Disagreements were resolved by a third reviewer (title/abstract) and by consensus. Studies with samples ≥221 subjects were considered for meta-analysis.

RESULTS: 28 studies were included, while 18 had the data meta-analyzed. The majority of studies (61%) included older adults only from the Southeastern region. The number of subjects ranged from 53 to 5,532 individuals (N = 17,604) and the average age ranged from 65.6 to 85.5 years. The overall prevalence of frailty was 24%. When considering the different assessment methods, the prevalence was lower for frailty phenotype (16%) compared with other criteria (40%). Regarding sex, the prevalence of frailty was similar for women (28%) and men (25%). The prevalence of frailty was higher in older adults recruited from health care services (30%) compared to community ones (22%).

CONCLUSION: In Brazil, the overall prevalence of frailty in non-institutionalized older adults is higher than observed from more developed countries. However, it may vary according to the assessment methods and settings.

Original languageEnglish
Pages (from-to)708-716
Number of pages9
JournalThe Journal of Nutrition, Health & Aging
Volume24
Issue number7
Publication statusPublished - 2020

ID: 131004087