Evaluating Agreement Among Radiologists and Orthopaedic Surgeons on Knee MRI
Author Information
Author(s): Fábio Cavalli, Anela Izadi, Ana Paula R. B. Ferreira, Larissa Braga, Andresa Braga-Baiak, Marco Antonio Schueda, Mihir Gandhi, Ricardo Pietrobon
Primary Institution: Duke University
Hypothesis
Sole radiologists would have a higher interreader agreement than orthopaedic surgeons on the evaluation of chondral lesions by MRI.
Conclusion
The study reveals that interobserver agreement is higher among radiologists than among orthopaedic surgeons in evaluating chondral knee lesions by MRI.
Supporting Evidence
- Radiologists showed substantial agreement with Kappa scores of 0.78 and 0.53 for specific cases.
- Orthopaedists had fair agreement with Kappa scores ranging from -0.13 to 0.29.
- The study highlights the importance of standardised interpretations to reduce disagreements.
Takeaway
Doctors looked at knee scans to see if they agreed on the findings. Radiologists agreed more than orthopaedic surgeons did.
Methodology
A prospective, web-based multi-institutional survey with 6 MRI cases and a questionnaire for participants.
Potential Biases
Potential bias due to varying levels of experience in MRI interpretation among participants.
Limitations
The study is limited by the number of MR cases and subjects included, and the non-standardised monitor image quality.
Participant Demographics
Two radiologists and two orthopaedic surgeons with more than 5 years of clinical experience.
Statistical Information
P-Value
<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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