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eLearning

SINAPSE experts from around Scotland have developed ten online modules designed to explain medical imaging. They are freely available and are intended for non-specialists.


Edinburgh Imaging Academy at the University of Edinburgh offers the following online programmes through a virtual learning environment:

Neuroimaging for Research MSc/Dip/Cert

Imaging MSc/Dip/Cert

PET-MR Principles & Applications Cert

Applied Medical Image Analysis Cert

Online Short Courses

No evidence of bias in the process of publication of diagnostic accuracy studies in stroke submitted as abstracts

Author(s): M. Brazzelli, S. C. Lewis, J. J. Deeks, P. A. G. Sandercock

Abstract:
Objective: There is little empirical evidence on publication bias in diagnostic test accuracy studies. We evaluated the proportion of abstracts presented at international stroke meetings, which were later published in full, and investigated which study features characterized publication. Methods: We reviewed all diagnostic abstracts presented at two international stroke conferences between 1995 and 2004. We assessed the characteristics and findings of the identified abstracts. We identified full Publications through electronic databases and by contacting the authors. Determinants of publication were assessed by Cox regression. Results: Seventy-six percent (121 out of 160) of identified abstracts were subsequently published in full. Sixty-two percent were published within 24 months of presentation. The median time to publication was 16 months. Assessment of interobserver agreement between test readers was a significant predictor of full publication (P = 0.02). No other study characteristic (including clinical utility of results, multicenter status, or Youden's index) was predictive. Conclusions: We found no clear evidence of bias in the publication process that occurs after abstract acceptance. We were unable to assess bias in abstract submission or acceptance. "Interobserver agreement" was the only characteristic statistically associated with publication. Clinical utility of results and other study characteristics did not predict publication. Diagnostic abstracts often did not report many relevant methodological aspects. (C) 2009 Elsevier Inc. All rights reserved.

Full version: Available here

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ISBN: 0895-4356
Publication Year: 2009
Periodical: Journal of Clinical Epidemiology
Periodical Number: 4
Volume: 62
Pages: 425-430
Author Address: