Figure 4

Series of KSS Knee of the 'classic’ and 'complete’ TKRs performed by a single surgeon. The surgeon performed >250 TKRs of which 41 were clinically evaluated 'classic’ TKR, before the introduction of the 'complete’ and 37 'complete’ TKRs thereafter. The body of the KKS Knee scores of the 'classic’ design TKRs were in highest three quartiles (>63 points). Of the first 20 'complete’ TKRs, two TKRs were revised and six TKRs scored within the lowest quartile (<63 points).