Fig. 5From: A new method for evaluation of patellar height and the position of the joint line before and after total knee arthroplastyBland-Altman plots of the preoperative and postoperative differences for measuring patellar height between two authors: the axis-patella (AP) index (A and C, respectively), the joint axis-patella (jAP) index (B and D, respectively)Back to article page