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Author: search.filters.author.Gerber, A.Discipline: search.filters.discipline.Health Sciences

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  • Item type:Publication,
    World-wide architecture of osteoporosis research: density-equalizing mapping studies and gender analysis Open PDF 
    (2016)
    Brüggmann, D.
    ;
    Mäule, L.-S.
    ;
    Klingelhöfer, D.
    ;
    Schöffel, N.
    ;
    Gerber, A.
    Objective: While research activities on osteoporosis grow constantly, no concise description of the global research architecture exists. Hence, we aim to analyze and depict the world-wide scientific output on osteoporosis combining bibliometric tools, density-equalizing mapping projections and gender analysis. Method: Using the NewQIS platform, we analyzed all osteoporosis-related publications authored from 1900 to 2012 and indexed by the Web of Science. Bibliometric details were analyzed related to quantitative and semi-qualitative aspects. Results: The majority of 57 453 identified publications were original research articles. The USA and Western Europe dominated the field regarding cooperation activity, publication and citation performance. Asia, Africa and South America played a minimal role. Gender analysis revealed a dominance of male scientists in almost all countries except Brazil. Conclusion: Although the scientific performance on osteoporosis is increasing world-wide, a significant disparity in terms of research output was visible between developed and low-income countries. This finding is particularly concerning since epidemiologic evaluations of future osteoporosis prevalences predict enormous challenges for the health-care systems in low-resource countries. Hence, our study underscores the need to address these disparities by fostering future research endeavors in these nations with the aim to successfully prevent a growing global burden related to osteoporosis. © 2016 International Menopause Society.
  • Item type:Publication,
    The gender gap in highest quality medical research: A scientometric analysis of the representation of female authors in highest impact medical journals Open PDF 
    (2018)
    Bendels, M.H.K.
    ;
    Wanke, E.M.
    ;
    Benik, S.
    ;
    Schehadat, M.S.
    ;
    Schöffel, N.
    Objective The study aims to elucidate the state of gender equality in high-impact medical research, analyzing the representation of female authorships from January, 2008 to September, 2017. Methods 133893 male and female authorships from seven high-impact medical journals were analyzed. The key methodology was the combined analysis of the relative frequency, odds ratio and citations of female authorships. The Prestige Index measures the distribution of prestigious authorships between the two genders. Results 35.0% of all authorships and 34.3% of the first, 36.1% of the co- and 24.2% of the last authorships were held by women. Female authors have an odds ratio of 0.97 (KI: 0.93-1.01) for first, 1.36 (KI: 1.32-1.40) for co- und 0.57 (KI: 0.54-0.60) for last authorships compared to male authors. The proportion of female authorships exhibits an annual growth of 1.3% overall, with 0.5% for first, 1.2% for co-, and 0.8% for last authorships. Women are underrepresented at prestigious authorship compared to men (Prestige Index=-0.38). The underrepresentation accentuates in highly competitive articles attracting the highest citation rates, namely, articles with many authors and articles that were published in highest-impact journals. Multi-author articles with male key authors are more frequently cited than articles with female key authors. The gender-specific differences in citation rates increase the more authors contribute to an article. Women publish fewer articles compared to men (39.6% female authors are responsible for 35.0% of the authorships) and are underrepresented at productivity levels of more than 1 article per author. Distinct differences at the country level were revealed. Conclusion High impact medical research is characterized by few female group leaders as last authors and many female researchers being first or co-authors early in their career. It is very likely that this gender-specific career dichotomy will persistent in the next decade. © Georg Thieme Verlag KG, Stuttgart.New York.