Study characteristics | N | (%) |
---|---|---|
Co-publication content compared to the CEVG review | ||
Identicala | 3 | (14 %) |
Similar but not identicala | 14 | (64 %) |
Abridgeda | 3 | (13 %) |
Otherb | 2 | (9 %) |
Journal of co-publication | ||
Ophthalmology journal | 12 | (55 %) |
Indexed in Web of Science or Scopus as of publication date | 11/12 | |
General or other medical journal | 10 | (45 %) |
Indexed in Web of Science or Scopus as of publication date | 7/10 | |
Authorship of co-publication | ||
Identical to CEVG review | 11 | (50 %) |
Same authors, different order | 3 | (14 %) |
One author added or removed | 8 | (36 %) |
Co-publication timing | ||
Before the CEVG reviewc | 5 | (23 %) |
Within 2 years after CEVG review | 14 | (63 %) |
More than 2 years after CEVG review | 3 | (14 %) |
Co-publication based on | ||
Original review | 15 | (68 %) |
Updated review | 7 | (32 %) |
Citation of the CEVG review by the co-publication | ||
Cited | 12 | (55 %) |
Not cited, but CEVG review mentioned in the text | 4 | (18 %) |
Not cited or mentioned | 6 | (27 %) |
Country of affiliation of co-publication first author | ||
UK | 16 | (73 %) |
USA | 6 | (27 %) |
Number of included studies d | ||
Same as CEVG review | 16 | (73 %) |
Some overlap with CEVG review | 6 | (27 %) |