The European Society of Paediatric Radiology (ESPR) awards prizes for outstanding work presented at their annual scientific meetings. The proportion of ESPR prize-winning abstracts to journal publications is not known. Contextualising abstract-to-publication proportions by evaluating publication experience can yield valuable insights and actionable outcomes to support researchers in overcoming barriers to journal publication. To assess the abstract-to-publication proportion of prize-winning ESPR abstracts and prize-winning authors' experience of publishing in Pediatric Radiology, the affiliated journal of the ESPR and other specialist international paediatric radiology societies. PubMed was searched for titles of ESPR prize-winning abstracts from 1977 (the year of first award) up to and including 2021, where the presenter was either first or co-author, and the article was published 2years before or after the presentation year. If not found, a general internet search was performed. Titles of all retrieved articles were evaluated for inclusion. A survey was distributed to all ESPR prizewinners to better understand their experiences around journal submission. Over 44years, 108 prizes were awarded. The prize-winning abstract-to-publication proportion was significantly higher (59.3%, OR=2.10, P=0.012) than the recently published pediatric radiology "abstracttopublication rate" (41.9% from 2013-2016). Moreover, prizewinners were more than twice as likely than to achieve journal publication (OR=2.10), and as first author (OR=1.33). The majority of awardees published their work as first author (52/64, 81.3%): the first-author abstract-to-publication proportion was not significantly higher than the paediatric radiology "abstract-to-publication rate" (48.1%, OR=0.33, P=0.330). Sixty-four survey responses were received (59.3%, out of a total 108 awarded prizes). Just over 20% of prize-winning work was published in Pediatric Radiology, with 41.5% of respondents reporting a good to excellent submission experience. Prize-winning and first-author abstract-to-publication proportions are higher for ESPR-awarded abstracts than the most recently reported paediatric radiology "abstract-to-publication rate", suggesting that prizes are either awarded to work most likely to be published or that being awarded a prize encourages publication. Given that justover 40% of prize-winning abstracts remain unpublished, the ESPR should do more to support and encourage all authors to publish their work.
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