Response to Letter to the Editor Regarding “Predictive Accuracy of the 3-m Backward Walk Test for Fall Risk in Q2 Older Adults”

We thank you for the opportunity to respond to the thoughtful comments provided by Dr Liqiu Kou. We greatly appreciate the constructive feedback and have carefully addressed each point in the revised manuscript and subsequently list our detailed responses. We hope that our clarifications and revisions strengthen the manuscript and demonstrate the robustness of our methodologic approach.