There are several date fields associated with a Cochrane Review (including protocols and updates), and some are for internal use (available in Review Manager only) and some are included in the published article; see Table.
Table. Overview of date fields in Cochrane Reviews: description, source of date, and where the dates are displayed
|Type of date||Description||Added by||Displayed?|
|Cochrane Library search results page||Published Cochrane Review||PubMed|
|Published online||Date on which a new citation version of a review is published in the CDSR (specifically new and updated reviews)||Publisher||No||Yes||Yes||Yes|
|Assessed as up-to-date*||n/a*||Editorial team/authors||Yes||No||No||No|
|Date of search||See section on 'Reporting search dates in Cochrane Reviews'||Editorial team/authors||Yes||No||No||No|
|Date next stage expected||Protocols = date full review expected; Reviews = date next update expected||Authors||Yes||No||No||No|
|Protocol first published||—||Cochrane||Yes||No||No||No|
|Review first published||—||Cochrane||Yes||No||No||No|
|Last citation issue||—||Cochrane||Yes||No||No||No|
CDSR: Cochrane Database of Systematic Reviews; CR: Cochrane Review; RevMan: Review Manager.