Table 4.
Characteristics of four co-publications (journal version)
| Co-publications characteristics | N (%) |
|---|---|
| Authorship of co-publication | |
| Identical to Cochrane Methodology Review [32] | 1 (25.0%) |
| Same authors, different order [29, 30] | 2 (50.0%) |
| Authors added or removed [31] | 1 (25.0%) |
| Co-publication timing | |
| Year after publication of Cochrane Methodology Review [29, 31, 32] | 3 (75.0%) |
| > 2 years after publication of Cochrane Methodology Review [30] | 1 (25.0%) |
| Co-publication content compared to full Cochrane Methodology Review | |
| Short versiona [29, 30, 32] | 3 (75.0%) |
| Review summaryb [31] | 1 (25.0%) |
| Number of included studies | |
| Same as Cochrane review [29, 30, 32] | 3 (75.0%) |
| Less than Cochrane review [31] | 1 (25.0%) |
| Conclusions | |
| Same as Cochrane review [29–32] | 4 (100.0%) |
aShort version of a Cochrane Review: this includes republishing a part of the review (such as the abstract, plain language summary) or an abridged version [34]
bReview summaries are summaries of a Cochrane review where the authors of the article provide a commentary on the Cochrane review in their own words