ArticleBMC musculoskeletal disorders2023
Identifying patient subgroups with different trends of patient-reported outcomes (PROMs) after elective knee arthroplasty.
Article in BMC musculoskeletal disorders, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 9 citations in OpenAlex.
- Interconverting the Joint Awareness Score and the Forgotten Joint Score: A Crosswalk Analysis.Arthroplasty today · 2026Article
- Trajectories of Work Ability After Total Hip and Knee Arthroplasty: A Latent Class Growth Analysis.Journal of occupational rehabilitation · 2026Article
- Comparative Outcomes Between Cruciate-Retaining and Posterior-Stabilized Prostheses in Total Knee Arthroplasty.Cureus · 2025Article
- Multivariate Profiling of Physical Resilience in Older Adults After Total Knee Replacement Surgery: Results From a Prospective Observational Study.The journals of gerontology. Series A, Biological sciences and medical sciences · 2025Observational
- The effect of Charlson Comorbidity Index, race, and surgical complications on postoperative knee outcomes after total knee arthroplasty.Archives of orthopaedic and trauma surgery · 2025Article
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Authors and funding
12 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPatient-reported outcome measures (PROMs) are increasingly being used to assess the effectiveness of elective total knee arthroplasty (TKA). However, little is known about how PROMs scores change over time in these patients. The aim of this study was to identify the trajectories of quality of life and joint functioning, and their associated demographic and clinical features in patients undergoing elective TKA.
methodsA prospective, cohort study was conducted, in which PROMs questionnaires (Euro Quality 5 Dimensions 3L, EQ-5D-3L, and Knee injury and Osteoarthritis Outcome Score Patient Satisfaction, KOOS-PS) were administered to patients at a single center undergoing elective TKA before surgery, and at 6 and 12 months after surgery. Latent class growth mixture models were used to analyze the patterns of change in PROMs scores over time. Multinomial logistic regression was used to investigate the association between patient characteristics and PROMs trajectories.
resultsA total of 564 patients were included in the study. The analysis highlighted differential patterns of improvement after TKA. Three distinct PROMs trajectories were identified for each PROMs questionnaire, with one trajectory indicating the most favorable outcome. Female gender appears to be associated with a presentation to surgery with worse perceived quality of life and joint function than males, but also more rapid improvement after surgery. Having an ASA score greater than 3 is instead associated with a worse functional recovery after TKA.
conclusionThe results suggest three main PROMs trajectories in patients undergoing elective TKA. Most patients reported improved quality of life and joint functioning at 6 months, which then stabilized. However, other subgroups showed more varied trajectories. Further research is needed to confirm these findings and to explore the potential clinical implications of these results.
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