J Korean Acad Community Health Nurs.  2018 Dec;29(4):429-439. 10.12799/jkachn.2018.29.4.429.

Co-occurrence Network Analysis of Keywords in Geriatric Frailty

• Kim Y
• Jang SN
• Lee JL

• KMID: 2430177
• DOI: http://doi.org/10.12799/jkachn.2018.29.4.429

Abstract

PURPOSE
The aim of this study is to identify core keyword of frailty research in the past 35 years to understand the structure of knowledge of frailty.
METHODS
10,367 frailty articles published between 1981 and April 2016 were retrieved from Web of Science. Keywords from these articles were extracted using Bibexcel and social network analysis was conducted with the occurrence network using NetMiner program.
RESULTS
The top five keywords with a high frequency of occurrence include "˜disability', "˜nursing home', "˜sarcopenia', "˜exercise', and "˜dementia'. Keywords were classified by subheadings of MeSH and the majority of them were included under the healthcare and physical dimensions. The degree centralities of the keywords were arranged in the order of "˜long term care' (0.55), "˜gait' (0.42), "˜physical activity' (0.42), "˜quality of life' (0.42), and "˜physical performance' (0.38). The betweenness centralities of the keywords were listed in the order of depression' (0.32), "˜quality of life' (0.28), "˜home care' (0.28), "˜geriatric assessment' (0.28), and "˜fall' (0.27). The cluster analysis shows that the frailty research field is divided into seven clusters: aging, sarcopenia, inflammation, mortality, frailty index, older people, and physical activity.
CONCLUSION
After reviewing previous research in the 35 years, it has been found that only physical frailty and frailty related to medicine have been emphasized. Further research in psychological, cognitive, social, and environmental frailty is needed to understand frailty in a multifaceted and integrative manner.

Keyword

Knowledge; Frailty; Frail elderly; Semantics

MeSH Terms

Aged
Aging
Delivery of Health Care
Frail Elderly
Humans
Inflammation
Mortality
Motor Activity
Sarcopenia
Semantics

Figure

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  Figure 1 Flowchart of the study selection and the process of network analysis.

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  Figure 2 Sociogram of closeness centrality in frailty keyword network.

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  Figure 3 Dendrogram of frailty keyword network.

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