Table 2.
Proportion of RCT registrations status by year (ISI Journal Citation Reports 2019).
| Journal | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | Total |
|---|---|---|---|---|---|---|---|
| RCTs registered prospectively | |||||||
| American Journal of Sports Medicine | 0 | 4 | 4 | 2 | 4 | 9 | 23 |
| Osteoarthritis and Cartilage | 0 | 3 | 8 | 8 | 5 | 4 | 28 |
| Journal of Bone and Joint Surgery-American volume | 1 | 3 | 7 | 8 | 11 | 11 | 41 |
| Clinical Orthopaedics and Related Research | 0 | 2 | 1 | 3 | 3 | 3 | 12 |
| Arthroscopy-The Journal of Arthroscopic And Related Surgery | 1 | 0 | 3 | 1 | 1 | 5 | 11 |
| Bone & Joint Journal | 0 | 2 | 3 | 3 | 11 | 7 | 26 |
| Journal of Orthopaedic Translation | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Cartilage | 0 | 0 | 0 | 1 | 0 | 1 | 2 |
| Journal of Orthopaedic & Sports Physical Therapy | 0 | 3 | 1 | 2 | 3 | 4 | 13 |
| Total | 2 | 17 | 27 | 28 | 38 | 45 | 157 |
| RCTs registered retrospectively | |||||||
| American Journal of Sports Medicine | 1 | 7 | 2 | 6 | 5 | 4 | 25 |
| Osteoarthritis and Cartilage | 1 | 3 | 0 | 1 | 0 | 0 | 5 |
| Journal of Bone and Joint Surgery-American volume | 2 | 6 | 10 | 13 | 12 | 5 | 48 |
| Clinical Orthopaedics and Related Research | 0 | 2 | 4 | 3 | 6 | 6 | 21 |
| Arthroscopy-The Journal of Arthroscopic And Related Surgery | 0 | 1 | 3 | 3 | 7 | 2 | 16 |
| Bone & Joint Journal | 2 | 4 | 11 | 2 | 3 | 6 | 28 |
| Journal of Orthopaedic Translation | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| Cartilage | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Journal of Orthopaedic & Sports Physical Therapy | 2 | 5 | 3 | 2 | 2 | 1 | 15 |
| Total | 8 | 28 | 34 | 30 | 35 | 25 | 160 |
| RCTs not registered | |||||||
| American Journal of Sports Medicine | 4 | 11 | 8 | 7 | 7 | 6 | 43 |
| Osteoarthritis and Cartilage | 0 | 0 | 1 | 0 | 1 | 1 | 3 |
| Journal of Bone and Joint Surgery-American volume | 0 | 3 | 4 | 0 | 3 | 1 | 11 |
| Clinical Orthopaedics and Related Research | 1 | 8 | 7 | 3 | 1 | 3 | 23 |
| Arthroscopy-The Journal of Arthroscopic And Related Surgery | 2 | 11 | 5 | 9 | 7 | 7 | 41 |
| Bone & Joint Journal | 3 | 11 | 7 | 2 | 1 | 1 | 25 |
| Journal of Orthopaedic Translation | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| Cartilage | 0 | 0 | 0 | 1 | 1 | 0 | 2 |
| Journal of Orthopaedic & Sports Physical Therapy | 0 | 4 | 2 | 2 | 0 | 0 | 8 |
| Total | 10 | 48 | 34 | 24 | 22 | 19 | 157 |