Figure 1From: Closing-wedge high tibial osteotomy: survival and risk factor analysis at long-term follow up Survival rate analysis after HTO using the Kaplan-Meier method. The conversion to TKA after HTO was set as the endpoint. 93% of patients at 5 years, 84% of patients at 9.6 years and 68% at 15 years after HTO did not require conversion to TKA.Back to article page