From: Duplicate publication of articles used in meta-analysis in Korea
Meta-analysis | Report | Common authorship | No. of subjects | Patterns of duplicate publication | Year of publication | Source of funding | Cross reference |
---|---|---|---|---|---|---|---|
Meta-analysis 1 | |||||||
 | Main | Partial | 45 |  | 1998 | None declared | no |
Duplicate | Partial | 45 | Identical study sample and reported partially identical outcomes (copy) | 2002 | None declared | no | |
Meta-analysis 2 | |||||||
 | Main | Complete | 175 |  | 1992 | None declared | no |
Duplicate | Complete | 50 | Documented parts of a large trial and reported identical outcomes (disaggregation) | 1993 | None declared | no | |
Meta-analysis 3 | |||||||
 | Main | none | 100 (case 43) |  | 1996 | None declared | no |
Duplicate | none | 202 (case 69) | New data were added to a main article and reported identical outcomes (Imalas) | 1999 | None declared | no | |
Meta-analysis 4 | |||||||
 | Main | Complete | 296 |  | 2003 | None declared | no |
Duplicate | Complete | 197 | Duplicates originated from 1 study sample but reported on different outcomes (fragmentation) | 2003 | None declared | no | |
Meta-analysis 5 | |||||||
 | Main | Partial | 64 (case 11) |  | 1996 | None declared | no |
Duplicate | Partial | 99 (case 26) | New data were added to a main article and reported almost identical outcomes (Imalas) | 1998 | None declared | no | |
Meta-analysis 6 | |||||||
 | Main | Partial | 394 |  | 2003 | None declared | no |
 | Duplicate | Partial | 85 | Documented parts of a large trial and reported identical outcomes(disaggregation) | 2005 | None declared | no |