Fig. 2From: Effect of femoral posterior condyle offset on knee joint function after total knee replacement: a network meta-analysis and a sequential retrospective cohort studyBias analysis of effects of PCO changes on knee joint function of patients after TKR. KS knee society. a, The change of PCO decrease of 2 mm or more. b, The change of PCO decrease by 0 mm to 2 mm. c, The change of PCO increase by 0 mm to 2 mm. d, The change of PCO increase by 2 mm or moreBack to article page