Roukis 2011.

Methods	Identification of subsequent full‐length publications Searched electronic database Embase, Infotrieve‐PubMed/MEDLINE, OVID MEDLINE(R), Google to October 2010 Search completed by investigator Searched by all authors and keywords Matching criteria not reported
Data	Included 206 abstracts presented at the 1999 to 2008 American College of Foot and Ankle Surgeons Annual Scientific Conference meetings Included all abstracts accepted for oral presentation
Comparisons	Proportion of abstracts published, overall and by meeting Mean time to publication, overall and by meeting
Outcomes	139 of 206 abstracts published 20/29 abstracts presented at the 1999 meeting, 19/29 at the 2000 meeting, 10/20 at the 2001 meeting, 14/20 at the 2002 meeting, 11/13 at the 2003 meeting, 10/14 at the 2004 meeting, 15/21 at the 2005 meeting, 15/21 at the 2006 meeting, 15/21 at the 2007 meeting, and 10/18 at the 2008 meeting published Proportion of abstracts published by time Mean time to publication = 14.5 months (range = ‐34 to 60 months), overall Mean time to publication = 13.3 months (range = ‐34 to 60 months) for 1999 American College of Foot and Ankle Surgeons Annual Scientific Conference meeting Mean time to publication = 19.3 months (range = 2 to 50 months) for 2000 American College of Foot and Ankle Surgeons Annual Scientific Conference meeting Mean time to publication = 18.6 months (range = 12 to 34 months) for 2001 American College of Foot and Ankle Surgeons Annual Scientific Conference meeting Mean time to publication = 13.7 months (range = 2 to 42 months) for 2002 American College of Foot and Ankle Surgeons Annual Scientific Conference meeting Mean time to publication = 16.9 months (range = 6 to 36 months) for 2003 American College of Foot and Ankle Surgeons Annual Scientific Conference meeting Mean time to publication = 8.4 months (range = 0 to 24 months) for 2004 American College of Foot and Ankle Surgeons Annual Scientific Conference meeting Mean time to publication = 17.9 months (range = ‐2 to 46 months) for 2005 American College of Foot and Ankle Surgeons Annual Scientific Conference meeting Mean time to publication = 11.5 months (range = ‐5 to 32 months) for 2006 American College of Foot and Ankle Surgeons Annual Scientific Conference meeting Mean time to publication = 14.7 months (range = ‐4 to 36 months) for 2007 American College of Foot and Ankle Surgeons Annual Scientific Conference meeting Mean time to publication = 7.6 months (range = ‐1 to 17 months) for 2008 American College of Foot and Ankle Surgeons Annual Scientific Conference meeting No factors related to proportion of abstracts published reported.
Notes	Surgery ‐ foot and ankle Funding not reported
Risk of bias
Item	Authors' judgement	Description
Sampling method?	Yes	Included all abstracts accepted for oral presentation.
Search for publications?	Yes	Searched 3 databases.
Follow‐up time?	Yes	All meetings before 2007 had at least 48 months follow‐up. All other meetings had less than 48 months follow‐up.
Matching?	Unclear	Matching criteria not reported.
Adjustment for confounding?	No	Examined association of meeting year with publication using stratified analysis.