Fig. 2From: Does patellofemoral osteoarthritis affect functional outcomes and survivorship after medial unicompartmental knee arthroplasty? A meta-analysisForest plots of Oxford Knee Scores in the PFOA group and the non-PFOA group. a Medial. b Lateral. c Trochlear. d Anywhere in the PFJ. SD, standard deviation; CI, confidence intervalBack to article page