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http://hdl.handle.net/10609/17201
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| Title: | ¿Favorece la publicación en abierto el impacto de los artículos científicos? Un estudio empírico en el ámbito de la medicina intensiva |
| Authors: | Riera, María Aibar Puentes, Eduard |
| Keywords: | Open access Citation analysis Intensive care medicine Hirsch index |
| Issue Date: | 1-Jan-2011 |
| Publisher: | Elsevier |
| Type: | Article |
| Citation: | Riera M.; Aibar, E. ¿Favorece la publicación en abierto el impacto de los artículos científicos? Un estudio empírico en el ámbito de la medicina intensiva. Med. Inensiva, 2012. |
| Abstract: | Objective: Some studies suggest that open access articles are more often cited than non-open
access articles. However, the relationship between open access and citations count in a discipline such as intensive care medicine has not been studied to date. The present article analyzes
the effect of open access publishing of scientific articles in intensive care medicine journals in terms of citations count. Methods: We evaluated a total of 161 articles (76% being non-open access articles) published in
Intensive Care Medicine in the year 2008. Citation data were compared between the two groups
up until April 30, 2011. Potentially confounding variables for citation counts were adjusted for
in a linear multiple regression model. Results: The median number (interquartile range) of citations of non-open access articles was
8 (4-12) versus 9 (6-18) in the case of open access articles (p = 0.084). In the highest citation range (>8), the citation count was 13 (10-16) and 18 (13-21) (p = 0.008), respectively. The mean
follow-up was 37.5 ± 3 months in both groups. In the 30---35 months after publication, the average
number (mean ± standard deviation) of citations per article per month of non-open access
articles was 0.28 ± 0.6 versus 0.38 ± 0.7 in the case of open access articles (p = 0.043). Independent factors for citation advantage were the Hirsch index of the first signing author ( =0.207;
p = 0.015) and open access status ( =3.618; p = 0.006). Conclusions: Open access publishing and the Hirsch index of the first signing author increase the impact of scientific articles. The open access advantage is greater for the more highly cited articles, and appears in the 30---35 months after publication. |
| Description: | Peer-reviewed |
| Language: | Spanish |
| URI: | http://hdl.handle.net/10609/17201 |
| Appears in Collections: | Articles
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