From: When are clinical trials registered? An analysis of prospective versus retrospective registration
Journal | Median days to registration | Interquartile range |
---|---|---|
BMC Complementary and Alternative Medicine | 491 | 448 to 1172 |
BMC Family Practice | 418.5 | 139.5 to 676.25 |
BMC Pediatrics | 745 | 243 to 1273 |
BMC Public Health | 321.5 | 148.5 to 1239.25 |