From: Intraoperative patellar maltracking and postoperative radiographic patellar malalignment were more frequent in cases of complete medial collateral ligament release in cruciate-retaining total knee arthroplasty
Postoperative
At the last follow up
P value
Mean patellar tilt
3.9 ± 4.7°
4.5 ± 4.2°
0.100a
Mean patellar displacement
2.0 ± 2.1 mm
2.6 ± 2.2 mm
0.011a