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Frequency distributions of differences between full-length weight-bearing (FLWB) and anteroposterior weightbearing (AP) knee radiographs (N = 120). (A) Absolute differences in mechanical alignment between FLWB and tibiofemoral angle measurement 1 (AP angle 1). (B) Absolute differences between FLWB compared to tibiofemoral angle measurement 2 (AP angle 2).
