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July 29, 2026BMC Musculoskeletal DisordersOpen Access

Factors influencing preoperative outcome expectations in patients undergoing total knee arthroplasty: a cross-sectional observational study

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Authors

CYChao YangNTNian TongALAi Lin

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Overview

Cross-sectional study examines knee function and psychological factors affecting expectations in TKA, suggesting implications for communication.

Key Points

  • The aim is to examine how knee function, pain catastrophizing, and anxiety/depression relate to preoperative outcome expectations in TKA patients.
  • Cross-sectional study conducted at three tertiary hospitals in Changsha, China.
  • Participants: 203 patients with severe osteoarthritis undergoing primary TKA.
  • Evaluated using HSS-TKRES, WOMAC, PCS, and HADS, and analyzed with structural equation modeling.
  • The mean preoperative outcome expectations score was 63.58 ± 9.98, indicating moderate expectations.
  • WOMAC scores positively correlated with HSS-TKRES (r = 0.229, P < 0.01), while negatively correlated with PCS (r = −0.338, P < 0.001) and HADS (r = −0.362, P < 0.001).
  • WOMAC positively associated with HSS-TKRES (β = 0.398); HADS (β = −0.362) and PCS (β = −0.193) negatively associated.

Cite This Study

Yang et al. (2026) studied this question.

synapsesocial.com/papers/6a69a2aec8da07d9defa66bfhttps://doi.org/10.1186/s12891-026-10262-9
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Sources of Patients’ Expectations of Total Knee Arthroplasty2025
  2. 2Sources of Patients’ Expectations of Total Knee Arthroplasty2025 · 1 citations
  3. 3High Expectations Among Patients Who Have Undergone TKA Do Not Correlate With Satisfaction2024 · 5 citations
  4. 4Greater preoperative expectations predict improvement in pain and function two years after knee surgery2024 · 2 citations
  5. 5A Qualitative Study to Explore Patient Expectations of Recovery After Total Knee Replacement Surgery2025