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Reply to determining MCID threshold for Knee Society Score to assess patient satisfaction in knee arthroplasty
Xiaodi Liu1, Yingnan Liu2,3, Mong Li Lee2,3
1Institute of Data Science, National University of Singapore, Singapore, Singapore. idsv33@visitor.nus.edu.sg.
NPJ Digital Medicine
|February 19, 2026
Abstract:
This reply addresses Wang et al.'s comments on our prior work and clarifies that the 34.5-point Knee Society Score threshold was derived from our previously validated, anchor-based approach. We agree that future research should refine predictive models by establishing consensus, standardised minimal clinically important difference cutoffs to enhance applicability and reliability in real-world clinical settings.

