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Thyroid disorders in children and adolescents: Systematic mapping of global research over the past three decades

1 Department of Pediatrics, Postgraduate Institute of Medical Education and Research, Chandigarh, India
2 CSIR-National Institute of Science, Technology and Development Studies, New Delhi, India

Correspondence Address:
Devi Dayal,
Endocrinology and Diabetes Unit, Department of Pediatrics, Advanced Pediatrics Center, Postgraduate Institute of Medical Education and Research, Chandigarh - 160 012
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/trp.trp_5_21

Background: Several countries research thyroid problems in children and adolescents. However, a scientometric assessment of global research in this field is unavailable. Aim: We aimed to provide a comprehensive assessment of research in thyroid disorders in children during 1990–2019. Methods: The data on pediatric thyroid disorders (PTDs) publications were retrieved from the Scopus database and analyzed using select bibliometric tools. Results: There were 4658 publications over the 30-year period registering an average annual and 15-year cumulative growth of 6.9% and 149.4%, respectively, and averaging 24.0 citations per paper. Of the 144 participating countries, the top ten contributed 69.9% of the global share. The most productive countries were the USA, Italy, and UK, whereas Netherlands, Canada, and the USA were the most impactful. Of the 745 participating organizations and 1275 authors, the top 20 of each contributed 26.2% and 7.9% of publication share, and 42.8% and 14.6% of citation share, respectively. The top three most productive organizations were INSERM, France, National Institute of Health, USA, and National Cancer Research Institute, USA, whereas the top three most productive authors were S. Yamashita, L. Persani, and G. Weber. Journal of Clinical Endocrinology and Metabolism, Journal of Pediatric Endocrinology and Metabolism, and Thyroid were the journals that published most research in PTDs. Conclusions: There is a substantial recent increase in the quantity of research on PTDs dominated by the North-American and Western-European countries. The vast disparities in pediatric thyroid research between high- and low-income countries need to be addressed through collaborations.

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