基于关键词分析近十年我国老年医学研究主题

Analysis on subjects of Chinese geriatrics in recent ten years based on keywords

目的通过对《中华老年医学杂志》近十年关键词分析,探讨我国老年医学的研究主题。方法在收集《中华老年医学杂志》的2007-2018年载文的关键词的基础上,运用统计分析和复杂网络方法构建我国老年医学的研究研究主题及其关联网络。结果近十年,《中华老年医学杂志》年均载文量为3808篇,关键词4667个,频次为1的关键词3284个,关键词频次不低于20次的79个,所涉及的文献占所有文献的2/3,关键词频次不低于10的186个,所涉及的文献占所有文献的80%,形成一个相互关联的主题网络。结论我国老年医学领域研究主题具有多样性和相对集中性,研究主题间的关联具有跨学科性和复杂性。

Objective To discuss the subjects of Chinese geriatrics in recent ten years by analyzing the keywords of Chinese Journal of Geriatrics.Methods Subjects and subject network(subject-specific network)of Chinese geriatrics were built by the statistical analysis and complex network method based on the analysis of keywords in Chinese Journal of Geriatrics from 2007 to 2018.Results In recent ten years,3808 articles were published in Chinese Journal of Geriatrics with a total of 4467 keywords.The keywords frequency was 1 in 3284 keywords.Keywords frequency was not less than 20 in 79 keywords,which was published in two-thirds of all published articles.The keywords frequency was not less than 10 in 186 keywords,which was published in 80%of all published articles,forming an interrelated thematic network.Conclusions Subjects of Chinese geriatrics have a diversity and relative centrality,and correlations between the subjects are the complexly interdisciplinary subject network.