Nguyen 1998.

Methods	Identification of subsequent full‐length publications Searched electronic database MEDLINE from 1986 to June 1997 Person completing the search not reported Searched by keywords and content/subject area Matched abstract to full‐length publication by All authors Contents Contacted abstract authors directly
Data	Included 490 abstracts presented at the 1990 to 1995 Orthopedic Trauma Association meetings Included all abstracts of 'paper' presentations
Comparisons	Proportion of abstracts published, overall and by meeting Mean time to publication Cumulative proportion of abstracts published
Outcomes	292 of 490 abstracts published 54/78 abstracts presented at the 1990 meeting, 53/89 at the 1991 meeting, 61/94 at the 1992 meeting, 61/92 at the 1993 meeting, 44/76 at the 1994 meeting, and 19/61 at the 1995 meeting published Proportion of abstracts published by time Mean time to publication = 16 months Cumulative proportion of abstracts published at 72 months showed proportion published = 59.4% (291/490 abstracts) No factors other than meeting year related to proportion of abstracts published reported
Notes	Emergency medicine ‐ orthopedic trauma Funding not reported Date of meeting not given, need to assume that meeting was on or before June 1995 and that follow‐up was at least 2 years
Risk of bias
Item	Authors' judgement	Description
Sampling method?	Yes	Included all abstracts that described specific subgroup, so low risk of bias.
Search for publications?	Yes	Searched 1 database and contacted abstract authors.
Follow‐up time?	Yes	All meetings before 1994 had at least 48 months follow‐up. The meetings in 1994 and 1995 only had 36 and 24 months follow‐up.
Matching?	Yes	Matched by 2 different criteria.
Adjustment for confounding?	No	Examined association of meeting year with publication using stratified analysis.