Minimal Hip Joint Space Width Measured on X-rays by an Artificial Intelligence Algorithm — A Study of Reliability and Agreement
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Minimal joint space width (mJSW) is a radiographic measurement used in the diagnosis of hip osteoarthritis. A large variance when measuring mJSW highlights the need for a supporting diagnostic tool. This study aimed to estimate the reliability of a deep learning algorithm designed to measure the mJSW in pelvic radiographs and to estimate agreement between the algorithm and orthopedic surgeons, radiologists, and a reporting radiographer. The algorithm was highly consistent when measuring mJSW with a mean difference at 0.00. Human readers, however, were subject to variance with a repeatability coefficient of up to 1.31. Statistically, although not clinically significant, differences were found between the algorithm’s and all readers’ measurements with mean measured differences ranging from −0.78 to −0.36 mm. In conclusion, the algorithm was highly reliable, and the mean measured difference between the human readers combined and the algorithm was low, i.e., −0.5 mm bilaterally. Given the consistency of the algorithm, it may be a useful tool for monitoring hip osteoarthritis.
Originalsprog | Engelsk |
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Tidsskrift | BioMedInformatics |
Vol/bind | 3 |
Udgave nummer | 3 |
Sider (fra-til) | 714-723 |
Antal sider | 10 |
DOI | |
Status | Udgivet - 2023 |
Bibliografisk note
Funding Information:
This research was funded by the EIT Health Digital Sandbox Programme 2020, grant number DS20-12449.
Publisher Copyright:
© 2023 by the authors.
ID: 388026646