International Journal of Cardiology 176 (2014) 1198–1199

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Letter to the Editor

Detailed-comparison of average journal-impact-factors of oral and poster-abstracts presented at scientific-session that achieved publication at 2009 Radiological-Society of North-America Scientific-Assembly and Annual Meeting including cardiac-session Naoko Mizuno a, Nobusada Funabashi b,⁎, Hiroyuki Takaoka b, Yoshio Kobayashi b a b

Chuoh College of Medical Technology, 3-5-12, Tateishi, Katsushikaku, Tokyo 124-0012, Japan Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba City, Chiba 260-8670, Japan

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Article history: Received 23 July 2014 Accepted 27 July 2014 Available online 5 August 2014 Keywords: Journal-impact-factors Oral and poster-abstracts 2009 Radiological-Society of North-America Scientific-assembly and annual meeting

We determined the average journal impact factors of oral and poster (scientific papers = oral, and scientific posters) of the 2009 Radiological Society of North America (RSNA) 95th scientific assembly and annual meeting that achieved publication for each category including cardiac session using Pubmed. From the 2009 RSNA meeting program (total of 1509 oral abstracts, and 684 poster abstracts), authors' names and abstract titles were entered into PubMed. Publication consistent with abstract content was confirmed by PubMed in March 2013. The percentages of all oral and poster abstracts presented at the scientific sessions achieving publication were 18.4 and 11.4% and that of all oral abstracts was significantly higher than that of all poster abstracts (P b 0.01) (Fig. 1). The percentage of oral abstracts presented at the scientific sessions achieving publication was significantly higher than the poster abstracts in Breast (26.3 vs 10.0%, P b 0.05), in Musculoskeletal (29.0 vs 14.0%, P b 0.05), Nuclear Medicine (20.6 vs 3.2%, P b 0.05), and in Radiation Oncology and Radiobiology categories (12.7 vs 2.2%, P b 0.05) (Fig. 2). The average journal impact factors were significantly higher for the all oral abstracts that achieved publication than for the all poster abstracts that achieved publication in all categories (P = 0.001) (Fig. 3). However, there were no significant differences in average ⁎ Corresponding author at: Department of Cardiovascular Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuo-ku, Chiba City, Chiba 260-8670, Japan. Tel.: +81 43 222 7171x5264. E-mail address: [email protected] (N. Funabashi).

http://dx.doi.org/10.1016/j.ijcard.2014.07.229 0167-5273/© 2014 Elsevier Ireland Ltd. All rights reserved.

impact factors achieving publication between oral and poster abstracts in each category (Fig. 4) and both oral and poster abstracts presented at the scientific sessions of the 2009 RSNA annual meeting were similar in achieving publication in terms of average journal impact factor in each category. Therefore we should check both oral and poster abstracts carefully because they are both important in terms of the latest radiological science including cardiac session. In conclusion, although the percentages of oral abstracts to achieve publication were significantly higher than poster abstracts in all, Breast, Musculoskeletal, Nuclear Medicine, and Radiation Oncology and Radiobiology categories, both oral and poster abstracts at the 2009 RSNA 95th scientific assembly and annual meeting were similar in achieving publication in terms of average journal impact factor in each category. Conflict of interest The authors report no relationships that could be construed as a conflict of interest. Acknowledgment None of the authors have relationships to disclose. The authors of this manuscript have certified that they comply with the Principles of Ethical Publishing in the International Journal of Cardiology.

Fig. 1. Percentages of all oral and poster abstracts presented at the 2009 Radiological Society of North America Scientific Sessions Achieving Publication. Percentages of all oral and poster abstracts in the scientific sessions achieving publication were 18.4 and 11.4% and that of all oral abstracts was significantly higher than that of all poster abstracts (P b 0.01).

N. Mizuno et al. / International Journal of Cardiology 176 (2014) 1198–1199

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Fig. 2. Percentages of oral and poster abstracts presented at the 2009 Radiological Society of North America Scientific Sessions Achieving Publication in Each Category. Percentage of oral abstracts achieving publication was significantly higher than the poster abstracts in Breast (26.3 vs 10.0%, P b 0.05), in Musculoskeletal (29.0 vs 14.0%, P b 0.05), Nuclear Medicine (20.6 vs 3.2%, P b 0.05), and in Radiation Oncology and Radiobiology categories (12.7 vs 2.2%, P b 0.05).

Fig. 3. Average impact factors of all oral and poster abstracts presented at the 2009 Radiological Society of North America Scientific Session. Average journal impact factors were significantly higher for the all oral abstracts that achieved publication than for the all poster abstracts that achieved publication in all categories (P = 0.001).

Fig. 4. Average impact factors of oral and poster abstracts presented at the 2009 Radiological Society of North America Scientific Session in Each Category. There were no significant differences in average impact factors achieving publication between oral and poster abstracts in each category.

Detailed-comparison of average journal-impact-factors of oral and poster-abstracts presented at scientific-session that achieved publication at 2009 Radiological-Society of North-America Scientific-Assembly and Annual Meeting including cardiac-session.

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