Cohen 2012.

Methods	Identification of subsequent full‐length publications Searched electronic database PubMed to May 2011 Person completing the search not reported Searched by all authors and keywords Matching criteria not reported
Data	Included 378 abstracts presented at the 2000 to 2005 Society of Gynecologic Oncologists meetings Included all abstracts for plenary sessions (main, focused and express)
Comparisons	Proportion of abstracts published Median time to publication Cumulative proportion of abstracts published 'Positive' versus not 'positive' Clinical research versus basic science research versus 'other' research RCT design versus observational study design versus chart review versus 'translational' design Multi‐centered versus single center 'Fellowship affiliation' versus no 'fellowship affiliation'
Outcomes	309 of 378 abstracts published Proportion of abstracts published by time Median time to publication = 14 months (range = 1 to 85 months) Cumulative proportion of abstracts published at 48 months showed proportion published = 81.7% (309/378 abstracts) Factors related to proportion of abstracts published included 281/343 'positive' (defined as experimental better than control) versus  28/35 not 'positive' abstract results published 199/243 abstracts describing clinical research versus 66/89 abstracts describing basic science research versus 44/46 'other' studies published 24/26 abstracts with RCT design versus 82/106 abstracts with an observational design versus 93/111 chart reviews versus 66/89 abstracts with 'translational' design published 152/173 abstracts with multiple centers versus 157/205 abstracts with a single center published 226/272 abstracts with authors with 'fellowship affiliation' versus 83/106 abstracts without a 'fellowship affiliation' published
Notes	Oncology ‐ gynecologic cancer Funding by Dr. John A. Kerner Research Fund and Dr. Patricia Robertson and Innovations Fund
Risk of bias
Item	Authors' judgement	Description
Sampling method?	Yes	Included all abstracts for plenary sessions.
Search for publications?	No	Searched only 1 database.
Follow‐up time?	Yes	All meetings had at least 6 years follow‐up.
Matching?	Unclear	Matching criteria not reported.
Adjustment for confounding?	Yes	Examined association of positive results, type science, study design, multi‐center status, author status with publication using multivariable logistic regression analysis.