Yoon 2007.

Methods	Identification of subsequent full‐length publications Searched electronic database PubMed; date of search not reported Search completed by investigator Searched by all authors and keywords Matching criteria not reported
Data	Included 154 abstracts presented at the 1996 to 2001 American Association of Hip and Knee Surgeons meetings Included all abstracts accepted for poster presentation
Comparisons	Proportion of abstracts published, overall and by meeting Mean time to publication overall and by meeting
Outcomes	73 of 154 abstracts published 4/10 abstracts presented at the 1996 meeting, 11/20 at the 1997 meeting, 6/18 at the 1998 meeting, 13/20 at the 1999 meeting, 19/40 at the 2000 meeting, and 20/46 at the 2001 meeting published Proportion of abstracts published by time Mean time to publication = 23.6 months (SD = 15.7 months) Mean time to publication = 20.8 months (SD = 19.1 months) for 1996 American Association of Hip and Knee Surgeons meeting Mean time to publication = 36.5 months (SD = 19 months) for 1997 American Association of Hip and Knee Surgeons meeting Mean time to publication = 27.3 months (SD = 11.6 months) for 1998 American Association of Hip and Knee Surgeons meeting Mean time to publication = 23.5 months (SD = 9.9 months) for 1999 American Association of Hip and Knee Surgeons meeting Mean time to publication = 9.7 months (SD = 14.5 months) for 2000 American Association of Hip and Knee Surgeons meeting Mean time to publication = 16.6 months (SD = 15.8 months) for 2001 American Association of Hip and Knee Surgeons meeting No factors other than meeting year related to proportion of abstracts published reported
Notes	Orthopedics/orthopedic surgery ‐ hip and knee surgery Reported receiving no funding
Risk of bias
Item	Authors' judgement	Description
Sampling method?	Yes	Included all abstracts accepted for poster presentation.
Search for publications?	No	Searched only 1 database.
Follow‐up time?	Unclear	Date of search not reported.
Matching?	Unclear	Matching criteria not reported.
Adjustment for confounding?	No	Examined association of meeting year with publication using stratified analysis.