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Accuracy and reliability of determining the isometric point of the knee for multiligament knee reconstruction
Purpose To compare the accuracy and reliability of the anatomic and radiographic techniques for identifying the isometric point of the knee.
Methods Only four specimens were used; however, eight experienced multiligament knee injury surgeons were recruited to address this limitation. Surgeons estimated the isometric point (EIP) on the medial and lateral sides using an anatomic and radiographic method. The x and y coordinates of the EIP were compared to the true isometric point (TIP). T-tests and interclass correlation coefficients (ICC) were performed to determine the accuracy and reliability between the methods.
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