Toro‐Polo 2012.

Methods	Identification of subsequent full‐length publications Searched electronic database MEDLINE, SciELO, LILACS, RedALyC, Portal Revist@s Peruanas, and Sistema de Bibliotecas de la Universidad Nacional Mayor de San Marcos from June to July 2011 Person completing the search not reported Searched by all authors, location of study, population, and main result Matched abstract to full‐length publication by One author Results Time Population Location
Data	Included 532 abstracts submitted to the 2002 to 2005 and 2006 to 2009 Sociedad Científica Médico Estudiantil Peruana meetings Included all abstracts except abstracts from students with foreign affiliation (162) and those that were presented more than once
Comparisons	Proportion of abstracts published, overall and by meeting Mean and median time to publication Collaborative authorship versus other Analytical versus descriptive work
Outcomes	52 of 532 abstracts published 21/254 abstracts presented at the 2002 to 2005 meetings and 31/278 at the 2006 to 2009 meetings published Proportion of abstracts published by time Mean time to publication = 22.6 months (SD = 24.0) Median time to publication = 13 months (range = 0 to 75 months) Factors related to proportion of abstracts published included 3/6 abstracts with collaborative authorship versus 49/526 abstracts without collaborative authorship published 34/272 abstracts presenting analytical work versus 18/260 abstracts presenting descriptive work published
Notes	General medicine/primary care Reported having received no funding
Risk of bias
Item	Authors' judgement	Description
Sampling method?	Yes	Included all abstracts with reasonable exceptions.
Search for publications?	Yes	Searched 6 databases.
Follow‐up time?	Yes	All meetings had at least 72 months follow‐up.
Matching?	Yes	Matched by 5 different criteria.
Adjustment for confounding?	Yes	Examined association of meeting year, collaborative authorship and type science with publication using unspecified multivariable analyses.