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Objective  We aimed to determine the publication rate of abstracts presented at Japan Geriatrics Society Annual Meetings. Publication rates were determined by searching for full-text publications up to September 2017 in the MEDLINE database. Factors associated with publication were determined.    Results  In total, 618 abstracts presented at Japan Geriatrics Society Annual Meetings (2011–2012) were included. Of those, 146 (23.6% [95% CI 20.3–27.0%]) were published in peer-reviewed journals indexed in MEDLINE. The median time to publication was 13.0 months (interquartile range 6.0–25.8 months). More than 90% were published within 4 years. The publications appeared in 64 different journals, and 87.0% were published in English-language journals. Multivariable analysis revealed more frequent publication of oral presentations (25.4% vs 16.9% of poster presentations; adjusted OR 1.79 [95% CI 1.05–3.06]), randomized controlled trials (66.7% vs 22.8% for other study designs; adjusted OR 10.79 [95% CI 3.02–38.53]) and studies with n ≥ 100 (28.7% vs 18.4% of studies with n < 100; adjusted OR 1.97 [95% CI 1.32–2.95]). Because more than three-fourths of the abstracts presented at Japan Geriatrics Society Annual Meetings remained unpublished within 5 years after the conferences, additional efforts may be needed to promote their publication.

Publication rate of abstracts presented at Japan Geriatrics Society Annual Meetings (2011–2012): a retrospective observational study