Miguel‐Dasit 2006b.

Methods	Identification of subsequent full‐length publications Searched electronic database PubMed to December 2004 Search completed by investigator Searched by all authors and keywords Matching criteria not reported
Data	Included 1020 abstracts presented at the 2000 European Congress of Radiology meeting Included abstracts accepted for oral presentation
Comparisons	Proportion of abstracts published Cumulative proportion of abstracts published North American versus European versus rest of the world origin Subspecialty
Outcomes	479 of 1020 abstracts published Proportion of abstracts published by time Cumulative proportion of abstracts published at 57 months showed proportion published = 47.0% (479/1020 abstracts) Factors related to proportion of abstracts published included 16/21 abstracts originating from North America versus 354/825 abstracts from Europe versus 59/174 abstracts from rest of the world published
Notes	Radiology Funding not reported
Risk of bias
Item	Authors' judgement	Description
Sampling method?	Yes	Included abstracts accepted for oral presentation.
Search for publications?	No	Searched only 1 database.
Follow‐up time?	Yes	The meeting had 48 months follow‐up.
Matching?	Unclear	Matching criteria not reported.
Adjustment for confounding?	No	Examined association of meeting year, country of origin, and subspecialty with publication using stratified analysis and Chi2 Fisher's Exactor Kruskal Wallis tests.