May 12, 2026 · Journal of orthopaedic trauma · DOI: 10.1097/BOT.0000000000003225

Reproducibility of Two Novel Bone Defect Classification Systems

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The authors aimed to assess the reproducibility of two novel bone defect classification systems: the Tetsworth classification and the Universal Long Bone Defect (ULBD) classification. Their findings indicated that the Tetsworth classification demonstrated fair to moderate agreement among surgeons, suggesting it is suitable for future research, while the ULBD classification exhibited low overall reproducibility.

Sean T Campbell, Julie Agel, Ashley E Levack, Mitchell Bernstein, Stephen J Wallace, Eric Meinberg, Stephen Quinnan, Roberto Hernandez-Irizarry, Augustine M Saiz, Brett D Crist, Meir Marmor, Stephen J Shymon, Preston Lee, Michael F Githens, Geoffrey S Marecek, Orthopaedic Trauma Association

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