| bmj open impact factor | 0.45 | 0.2 | 9074 | 22 | 10 |
| bmj open impact factor 2023 | 1.86 | 0.8 | 5229 | 27 | 55 |
| bmj open impact factor 2022 | 0.43 | 0.8 | 8776 | 27 | 51 |
| bmj open impact factor 2021 | 0.14 | 0.2 | 8745 | 27 | 65 |
| bmj open impact factor 2020 | 1.99 | 0.4 | 9639 | 27 | 8 |
| bmj open impact factor 2019 | 0.64 | 0.2 | 6115 | 27 | 2 |
| bmj open gastroenterology impact factor | 0.22 | 0.1 | 2065 | 39 | 66 |
| bmj open quality impact factor | 0.47 | 0.6 | 9166 | 30 | 79 |
| bmj open respiratory research impact factor | 1.21 | 0.5 | 6022 | 43 | 3 |
| bmj open ophthalmology impact factor | 0.14 | 0.8 | 6888 | 36 | 37 |
| bmj neurology open impact factor | 0.93 | 1 | 2996 | 32 | 4 |
| bmj open journal impact factor | 0.26 | 0.5 | 7584 | 30 | 56 |
