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August 1, 2026The KneeOpen Access

The impact of absolute change in tibiofemoral morphology on patient reported outcome measures post total knee arthroplasty

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Authors

IOIsobel H OonTNTeresa NeemanJSJennie M. Scarvell

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Overview

Observational analysis investigates how changes in knee structure affect patient-reported outcomes post-TKA, suggesting limited impact.

Key Points

  • The study aims to examine the relationship between changes in knee morphology after TKA and patient reported outcomes.
  • Conducted an observational analysis within a randomized clinical trial.
  • Participants underwent preoperative and postoperative CT scans and completed PROMs at six months post-TKA.
  • Investigated the relationship using regression and principal component analyses.
  • PCA showed significant interdependence among morphological measures, with tibial rotation and PTS contributing most variability.
  • Regression analysis revealed no significant relationships between morphological changes and PROMs postoperatively.
  • Results indicate that absolute change in morphology had minimal impact on patient outcomes at six months post-TKA.

Cite This Study

Oon et al. (2026) studied this question.

synapsesocial.com/papers/6a6d980be258b358b3c6adf0https://doi.org/10.1016/j.knee.2026.104576
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