This retrospective study was approved by the medical research ethics committee of our hospital. The diagnosis of patients with OA primarily relies on clinical evidence, standing X-rays, and magnetic resonance imaging (MRI) examination. Operative therapy is indicated depending on the degenerative process and evaluated by the K-L classification on X-ray examination.
Patients undergoing HTO for other indications (cartilage resurfacing or ligament reconstruction) and patients with a previous tibial or femoral fracture were excluded from this study. Furthermore, patients presenting with a history of antiplatelet therapy, malignant tumors, significant hematological disorders, and infectious or systematic inflammatory disease were excluded from this study.
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