Table.
Publication factors influencing the accessibility and impact of antiplatelet trials included in systematic review
| No (%) of included trials
|
No (%) of excluded trials
|
||||
|---|---|---|---|---|---|
| Published before 1995 (n=23) | Published 1995 or later (n=16) | Published before 1995 (n=36) | Published 1995 or later (n=9) | ||
| Main report in high profile general journal* | 11 (48) | 1 (6) | 2 (6) | — | |
| Main report in high profile specialist journal† | 4 (17) | 4 (25) | 6 (17) | 2 (22) | |
| Published as abstract only | 6‡ (26) | 1 (6) | 12 (33) | — | |
| Main report not in English | — | 1 (6) | 4 (11) | 2 (22) | |
| ⩾3 citations/study | 8 (35) | 3 (19) | 1 (3) | — | |
| Prospective registration only | — | — | 6 (17) | — | |
*
Lancet, BMJ, New England Journal of Medicine, or JAMA.
†
American Journal of Obstetrics and Gynecology, Obstetrics and Gynecology, or British Journal of Obstetrics and Gynaecology.
‡
Includes one MD thesis.