Fig. 8From: Accuracy and reproducibility of two-dimensional computed tomography-based positioning of femoral component rotational alignment in preoperative planning for total knee arthroplastyBland–Altman plots of the differences between the two measurements of PCA using three measurement methods by different observers. Figure A: the results of PCA measurements using single-plane 2D CT. Figure B: the results of PCA measurements using multi-plane 2D CT. Figure C: the results of PCA measurements using a 3D modelBack to article page