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      Letter to the Editor Regarding “Research Trends of Acupuncture Therapy on Knee Osteoarthritis from 2010 to 2019: A Bibliometric Analysis” [Letter]

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      Journal of Pain Research

      Dove

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          Abstract

          Dear editor Recently, Li et al1 released a paper in the Journal of Pain Research, entitled “Research Trends of Acupuncture Therapy on Knee Osteoarthritis from 2010 to 2019: A Bibliometric Analysis.” Many of the related results mentioned in the original paper1 are inaccurate due to improper methods being used. Li et al1 stated in methods that “All data in this study were obtained from the Web of Science on 1 March 2020. The data search strategy included the topic ‘knee osteoarthritis’ and ‘acupuncture therapy’, with the publications period of the literature ranging from 2010 to 2019. In addition, the countries, categories and language of publications were not been restricted. The specific search strategies and results are shown in Table 1.” It is not possible to repeat results in the original article1 using the same methods. In total, 658 articles were found. Web of Science (WoS) includes 1. Web of Science Core Collection (1985-present) 2. BIOSIS Previews (1994-present) 3. Chinese Science Citation DatabaseSM (1989-present) 4. Derwent Innovations Index (1963-present) 5. Inspec® (1969-present) 6. KCI-Korean Journal Database (1980-present) 7. MEDLINE® (1950-present) 8. Russian Science Citation Index (2005-present) 9. SciELO Citation Index (2002-present) Web of Science Core Collection includes 1. Science Citation Index Expanded (SCI-EXPANDED) --1997-present 2. Social Sciences Citation Index (SSCI) --2001-present 3. Arts and Humanities Citation Index (A&HCI) --2003-present 4. Conference Proceedings Citation Index—Science (CPCI-S) --1998-present 5. Conference Proceedings Citation Index—Social Science & Humanities (CPCI-SSH) --1998-present  6. Emerging Sources Citation Index (ESCI) --2015-present Web of Science Core Collection: Chemical Indexes include: 1. Current Chemical Reactions (CCR-EXPANDED) --1985-present 2. Index Chemicus (IC) --1993-present Firstly, the search terms Li et al1 used were repetitive. They only had to use “Knee Osteoarthritis” OR “Acupuncture” since the publications searched out by different keywords like “Osteoarthritis, Knee”, “Knee Osteoarthritis”, “Knees Osteoarthritis” and “Osteoarthritis, Knees” is same and the publications searched out by “Acupuncture Therapy” is a part of the publications searched out by “Acupuncture.” Secondly, authors should select the appropriate databases for their study as there are several levels of databases as described above. For example, searching keywords by using SCI-EXPANDED for bibliometric analysis is a suitable method. Web of Science Core Collection: SSCI, A&HCI, CPCI-S, ESCI, CPCI-SSH, CCR-EXPANDED, and IC are inappropriate for “Research Trends of Acupuncture Therapy on Knee Osteoarthritis from 2010 to 2019: A Bibliometric Analysis”. We use SCI-EXPANDED with searching keywords ((Knee Osteoarthritis) and (Acupuncture or Electroacupuncture) and (Treatment or Therapy)) from 2010 to 2019. Language and document type of publications were not restricted. The method resulted in 293 papers. In my opinion, Li et al could have provided more accurate information if they had understood Web of Science beforehand. Moreover, Li et al used only 343 papers published between 2010 and 2019 for their analysis. From a statistical point of view, it is not appropriate to use such a limited number of publications for bibliometric research.

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          Research Trends of Acupuncture Therapy on Knee Osteoarthritis from 2010 to 2019: A Bibliometric Analysis

          Background Acupuncture has been widely applied to relieve knee osteoarthritis (KOA) in many countries. However, the bibliometric analysis of the global use of acupuncture on KOA is largely unknown. Therefore, this study aimed to explore the current status and trends of the global use of acupuncture on KOA in recent 10 years by using CiteSpace (5.6.R3). Methods Publications regarding acupuncture therapy for treating KOA between 2010 and 2019 were extracted from the Web of Science database. CiteSpace was used to analyze the number of publications, countries, institutions, journals, authors, cited references and keywords by using standard bibliometric indicators. Results A total of 343 publications were retrieved from 2010 to 2019. The total number of publications continually increased over the past four years, and the most active journals, countries, institutions and authors in the field of acupuncture therapy on patients with KOA were identified. The Evid Based Complement Alternat Med (28) was the most prolific journal, and the Ann Intern Med (202) was the most cited journal. The most productive country and institution in this field was China (115) and University of York (18), respectively. Hugh Macpherson (18) was the most prolific author and Witt C ranked the first in the cited authors. In the ranking of frequency in cited reference, the first article was published by Scharf HP (54). The keyword of ‘randomized controlled trial’ ranked first for research developments with the highest citation burst (3.9486). Besides, there were three main frontiers in keywords for KOA research, including ‘research method, ‘age’ and ‘measure of intervention’. Conclusion The findings from this bibliometric study provide current status and trends in clinical research of acupuncture therapy on patients with KOA over the past ten years, which may help researchers identify hot topics and explore new directions for future research in this field.
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            Author and article information

            Journal
            J Pain Res
            J Pain Res
            jpr
            jpainres
            Journal of Pain Research
            Dove
            1178-7090
            13 November 2020
            2020
            : 13
            : 2915-2916
            Affiliations
            [1 ]Department of Emergency Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , Shanghai, People’s Republic of China
            Author notes
            Correspondence: Changqing Zhu Department of Emergency Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University , 155 Pujian Road, Shanghai200127, People’s Republic of ChinaTel/Fax +86 21-68383089 Email zhucq1965@126.com
            [*]

            These authors contributed equally to this work

            Article
            280648
            10.2147/JPR.S280648
            7674793
            © 2020 Luo et al.

            This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License ( http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms ( https://www.dovepress.com/terms.php).

            Page count
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            Categories
            Letter

            Anesthesiology & Pain management

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