Objective
This study aimed to assess how RBknee influences the accuracy and agreement among radiologists and orthopedists with varying experience when grading knee osteoarthritis (KOA) on X-rays using the Kellgren-Lawrence (KL) system.
Key findings
- Three of the six junior readers showed higher KL grading performance with RBknee than without
- Interobserver agreement for KL grading among all readers was higher with versus without RBknee
- Board-certified radiologists achieved almost perfect agreement for KL grading when assisted by RBknee, which was higher than that achieved by the reference readers independently
Open access
This research is open access
This original research can be read in Radiology in volume 312, number 1, published July 2024.
Funding and conflicts of interests
This project has received funding from the European Union’s Horizon 2020 Research and Innovation Programme under grant agreement no. 954221. The results presented in this work reflect only the views of the authors. The Commission is not responsible for any use that may be made of the information it contains. M.W.B. Payment for lecture from the Danish Society of Good Clinical Practice. A.L. No relevant relationships. K.Z. Payment for lectures from MSD. H.R. No relevant relationships. F.C.M. Grant to institution from Siemens Healthineers; honoraria from Siemens Healthineers and Varian. J.U.N. No relevant relationships. J.J.V. Grants to institution from Qure.ai and Enlitic; consulting fees from Tegus; payment from Roche to institution for lectures; travel grant from Qure.ai; payment for participation on a data safety monitoring board or advisory board for Contextflow, Noaber Foundation, and NLC Health Ventures; member of the RSNA Common Data Element Steering Committee, chair of the European Society of Radiology Value-Based Radiology Subcommittee, chair of the European Society of Medical Imaging Informatics Scientific Committee, junior section editor of the European Journal of Radiology, and member of the steering committee of the PINPOINT Project (payment to institution from AstraZeneca); phantom shares in Contextflow and Quibim. L.M.S. Junior board member of the musculoskeletal section of the Dutch Society of Radiology (NVvR). J.J. No relevant relationships. B.B. No relevant relationships. H.C. No relevant relationships. M.M. No relevant relationships. S.A.D. No relevant relationships. D.I.R. No relevant relationships. A.G. No relevant relationships. C.T.N. No relevant relationships. C.U.S. No relevant relationships. E.H.G.O. No relevant relationships. K.G.A.H. Payment for lectures from AbbVie, Novartis, MSD, and Pfizer; cofounder of BerlinFlame. M.B. Grant from the Danish Agency for Digital Government and EIC EU grant for Radiobotics; unrestricted license use from Radiobotics; advisory board member for Radiobotics; stock options in Radiobotics.
