Kaplan-Meier survival curve for unloader brace—Kaplan-Meier survival analysis demonstrated rapid conversion to TKR for the first 12 months, which then tails off to show no conversion after 24 months of using the unloader knee brace. Kaplan-Meier survival curve for unloader brace—Kaplan-Meier survival analysis demonstrated rapid conversion to TKR for the first 12 months, which then tails off to show no conversion after 24 months of using the unloader knee brace. Paul YF Lee et al. BMJ Open Sport Exerc Med 2017;2:e000195 ©2017 by BMJ Publishing Group Ltd