Clemency 2014.

Methods	Identification of subsequent full‐length publications Searched electronic database PubMed from July 2011 through August 2012 Person completing the search not reported Searched by keywords, title and lead author Matching criteria not reported
Data	Included 635 abstracts presented at the 2003 to 2005 American College of Emergency Physicians, Society for Academic Emergency Medicine, National Association of EMS Physicians, Association of Air Medical Services, and National Association of EMS Educators meetings Included all abstracts that were related to emergency medicine except abstracts published prior to meeting
Comparisons	Proportion of abstracts published, overall and by meeting Mean time to publication Cumulative proportion of abstracts published Subspecialty
Outcomes	281 of 635 abstracts published 62/128 at the American College of Emergency Physicians meeting, 72/135 at the Society for Academic Emergency Medicine meeting, 121/282 at the National Association of EMS Physicians meeting, 22/66 at the Association of Air Medical Services meeting, and 4/24 abstracts presented at the National Association of EMS Educators meeting published Proportion of abstracts published by time Mean time to publication = 22.2 months (SD = 16.5, range = 0 to 94 months) Cumulative proportion of abstracts published at 96 months showed proportion published = 43.9% (279/635 abstracts) No factors other than subspecialty related to proportion of abstracts published reported.
Notes	Emergency medicine Funding not reported
Risk of bias
Item	Authors' judgement	Description
Sampling method?	Yes	Included all abstracts of a specific topic, so low risk of bias.
Search for publications?	No	Searched only 1 database.
Follow‐up time?	Yes	All meetings had at least 48 months follow‐up.
Matching?	Unclear	Matching criteria not reported.
Adjustment for confounding?	No	Examined association of meeting and subspecialty with publication using stratified analysis.