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Static flexion angles against mean extension moment (Nm) for native knees, bi-unicondylar arthroplasty (Bi-UKA) and total knee arthroplasty (TKA); 95% confidence intervals with a shaded yellow area for the native knee and bars for implanted knees. Italicized letters indicate pairwise statistical differences (p < 0.05). BT, Bi-UKA versus TKA; NB, native versus Bi-UKA; NT, native versus TKA.
