| Global research on centenarians: A historical and comprehensive bibliometric analysis from 1887 to 2023 |
Ivan David Lozada-Martinez1,2 
, Maria Carolina Diazgranados-Garcia2, Sandra Castelblanco-Toro2,3, Juan-Manuel Anaya1,2 |
1Health Research and Innovation Center at Coosalud EPS, Cartagena, Colombia
2Colombian Centenarians Alliance, Cartagena, Colombia
3Intellectus Memory and Cognition Center, Hospital Universitario San Ignacio, Institute of Aging, Faculty of Medicine, Pontificia Universidad Javeriana, Bogotá, Colombia |
Correspondence:
Ivan David Lozada-Martinez,
Email: ciisa@coosalud.com
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Received: 17 February 2024 • Revised: 19 March 2024 • Accepted: 27 March 2024 |
| Abstract |
Background
Centenarians are considered the most successful human biological aging model. However, the characteristics and patterns of research among centenarians have not been described or analyzed. Thus, this study aimed to disclose the historical landscape of global research on centenarians.
Methods
This bibliometric study investigated historical evidence on centenarian research published in the Scopus database. The bibliometrix package in R was used to perform visual and quantitative analyses of research metrics, trends, and patterns.
Results
Of the 2061 documents included between 1887 and 2023, 84.2% (n = 1736) were published as articles with primary data. We identified international collaboration and annual growth rates of 21.4% and 3.15%, respectively. The United States published the highest number of papers on centenarians (n = 786), whereas the publications from Italy had the highest impact (h-index = 90). Based on the frequency of keywords, mortality, genetics, dementia, Alzheimer's disease, and immunosenescence are a few of the most studied topics among centenarians, with emerging research related to mitochondrial DNA and comparison of results between nonagenarians and centenarians. Italy, the United States, and China lead the global research collaboration network, collaborating most frequently with Japan and European countries.
Conclusions
Global research on centenarians has grown over the last 20 years, primarily led by Italy, the United States, and China. Latin American and African countries have conducted little or no research on centenarians. The most widely studied topics include mortality, cognition, immunosenescence, and genetics. |
| Key Words:
Centenarians, Longevity, Aged, Research, Bibliometrics |
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