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. 2011 Dec 6;4(1):40.
doi: 10.1186/1755-7682-4-40.

Frequency and factors influencing publication of abstracts presented at three major nephrology meetings

Ziv Harel  1 , Ron Wald, Ari Juda, Chaim M Bell
Affiliations

Frequency and factors influencing publication of abstracts presented at three major nephrology meetings

Ziv Harel et al. Int Arch Med. .

Abstract

Background and objectives: There have been no contemporary studies assessing abstract publication rates and the factors associated with full publication within the field of nephrology. As such, it is unclear whether a publication bias exists for abstracts presented at nephrology meetings, which may hinder the dissemination of potentially important results. Our objective was to review a selection of abstracts presented at 3 major nephrology meetings to determine the proportion that reach full publication and factors associated with full publication.

Methods: 300 randomly selected abstracts presented as posters at three annual nephrology meetings in 2006 [American Society of Nephrology (ASN), European Renal Association (ERA), and National Kidney Foundation (NKF)] were reviewed. Accepted methods of literature search were performed to determine subsequent journal publication. Univariate and multivariate analyses were performed to determine the association between abstract characteristics and subsequent full publication.

Results: 127 (42%) abstracts were published in peer-reviewed journals at 4.5 years. On multivariable analysis, basic science research (OR 2.84, 95% CI 1.44-5.61 as compared to clinical research) and the scientific meeting [OR 2.87, 95% CI 1.60-5.15 (ASN); OR 1.92, 95% CI 1.07-3.45(ERA) as compared to NKF] were significantly associated with full publication.

Conclusions: Almost two-fifths of abstracts presented at three major nephrology meetings are subsequently published in peer-reviewed journals. Basic science content and the meeting at which the abstract was presented are associated with publication. Further research is needed to ascertain the impact of other important factors on abstract publication rates to address publication bias in the renal literature.

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