Table 2 Registration of RCTs stratified by start of patient recruitment
| Â | Start of patient recruitment | |||
|---|---|---|---|---|
All | 2004 to 2005 | During or after 2006 | Unclear | |
n = 103 (100%) | n = 15 (100%) | n = 86 (100%) | n = 2 (100%) | |
Registered RCTs | 85 (83%) | 14 (93%) | 71 (83%) | 0 |
Registration (number) mentioned in article | 68 (80.0%) | 11 (71.4%) | 57 (70.4%) | |
Registration (number) not mentioned in article | 17 (20.0%) | 3 (21.4%) | 14 (19.7%) | Â |
Registered prospectively | 15 (17.6%) | 0 | 15 (21.1%) | Â |
Registered retrospectively | 45 (52.9%) | 12 (85.7%) | 33 (46.5%) | Â |
Study start and registration within same month | 21 (24.7%) | 1 (7.1%) | 20 (28.2%) | Â |
Unclear time relation between study start and registration | 4 (4.7%) | 1 (7.1%) | 3 (4.2%) | Â |
Not registered | 18 (17%) | 1 (7%) | 15 (17%) | 2 (100%) |