Fig. 2

Correlation analysis on different landmarks. Correlation analysis between FW and distances from landmarks to distal or posterior joint line was performed (a-i). FW femoral width, AT adductor tubercle, ME medial epicondyle, LE lateral epicondyle, TT tibial tubercle, FH fibular head, IPP the inferior pole of the patella, DJL distal joint line, PJL posterior joint line