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Abstract
This study aimed to assess the percentage of articles with authors affiliated to Brazilian institutions in high-impact journals and SciELO journals and to evaluate trends in 5-year citations according to the author's affiliation and journal category. Bibliometric data were obtained using Scopus database from 1995 to 2019. Publications were selected from four journal categories: High-impact General Health (HGH), High-impact Public Health (HPH), SciELO General Health (SGH) and SciELO Public Health (SPH). The number of citations that were received five years after publication and the percentage of publications with any author affiliated to Brazil were calculated by each year. The same 146 journals were followed. There was a significant increase in percentage of articles with authors affiliated to Brazilian institutions in all sets of journals. Among HGH, there was an increasing from 0.3% to 1.5% between 1995-2019, for HPH from 1% to 3%, for SGH from 49.7% to 55.4%, and for SPH from 47.4% to 71.9%. There was a significant (p < 0.01) increase in the mean of 5-year citations in all groups and Brazilian affiliated articles increased more than average. For each 10 years, average HGH articles increased 11.9 citations and Brazilian affiliated articles 32.0 citations. The results suggest that the presence of Brazilian science is increasing, and the scientific impact has increased more than average.
Highlights
Scientometrics is an information science that seeks to study primarily the quantitative aspects of science and scientific production [1,2,3]
The group of High-impact General Health (HGH) comprised 33 journals that published 29,445 articles in 1995 and 17,734 articles in 2019, with affiliation to Brazil increasing from 0.3% to 1.5%
There was an increase in 5-year mean citations per document over the period in all journal groups, but it was much higher for articles from authors affiliated to Brazilian institutions in the HGH journals
Summary
Scientometrics is an information science that seeks to study primarily the quantitative aspects of science and scientific production [1,2,3]. In recent years, it has occasionally been released to the general public, in daily or weekly newspapers and magazines, that this increase in productivity has led to a decrease in quality, as measured by mean citations per publication [5,6]. Science has an exponential growth 7, doubling nearly every 10 to 15 years 8 This has been described for Brazilian public health research output [9,10,11] as well as the output of non-Brazilian journals [12,13]. With such increasing trends in the absolute number of publications, there will be more papers cited. Effective research and interventions in the context of rich countries may not work in the developing country either 16
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