Ejnisman 2013.

Methods	Identification of subsequent full‐length publications Searched electronic database PubMed and LILACS; dates of search not reported Person completing the search not reported Searched by first, second, and last author Matched abstract to full‐length publication by All authors Title Summary
Data	Included 653 abstracts accepted to the 2007 Congresso Brasileiro de Ortopedia meeting Included all abstracts
Comparisons	Proportion of abstracts published Cumulative proportion of abstracts published Oral versus poster presentation Brazilian versus rest of the world origin Subspecialty
Outcomes	174 of 653 abstracts published Proportion of abstracts published by time Cumulative proportion of abstracts published at 60 months showed proportion published = 26.0% (170/653 abstracts) Factors related to proportion of abstracts published included 118/286 abstracts presented orally versus 56/367 abstracts presented as poster published 173/641 abstracts originating from Brazil versus 1/12 abstracts with rest of the world origin published
Notes	Orthopedics/orthopedic surgery Funding not reported
Risk of bias
Item	Authors' judgement	Description
Sampling method?	Yes	Included all abstracts
Search for publications?	Yes	Searched 2 databases.
Follow‐up time?	Unclear	Date of search not reported.
Matching?	Yes	Matched by 3 different criteria.
Adjustment for confounding?	No	Examined association of type presentation and Brazilian state origin with publication using stratified analysis.