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Side-to-side joint space width differences in the medial compartment for (A) control and (B) anterior cruciate ligament–reconstructed patients from baseline (0 months) through follow-up. Black lines depict values that are within the 95% confidence interval (CI) of values from control patients at final follow-up (within dotted lines), and red lines depict patients with values that are outside the 95% CI of controls at final follow-up.
