Trial design | Superiority | 157 (79%) |
Non-inferiority | 33 (17%) | |
Equivalence | 3 (2%) | |
Unclear | 7 (4%) | |
Size | Median = 145, interquartile range = 82–400 | |
Multicentre | Yes | 110 (55%) |
No | 83 (42%) | |
Unclear | 7 (4%) | |
Funding | Public, charity, or public and charity | 68 (34%) |
Solely industry | 38 (19%) | |
Others (include combinations) | 40 (20%) | |
No stated funding | 54 (27%) |