Fig. 3

Kaplan–Meier survival rate curve showing conversion to TKA during the follow-up period. Survival was 100% (95% CI [100%, 93.1%]; p < 0.01) at a follow-up of 10 years and 66.7% (95% CI [74.1%, 59.3%]; p < 0.01) at a follow-up of 15 years

Kaplan–Meier survival rate curve showing conversion to TKA during the follow-up period. Survival was 100% (95% CI [100%, 93.1%]; p < 0.01) at a follow-up of 10 years and 66.7% (95% CI [74.1%, 59.3%]; p < 0.01) at a follow-up of 15 years