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  • In patients eligible for meniscal surgery who first receive physical therapy, multivariable prognostic models cannot predict who will eventually undergo surgery

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    Coppieters462422-Published.pdf (788.0Kb)
    Author(s)
    Noorduyn, Julia CA
    Teuwen, MMH
    van de Graaf, VA
    Willigenburg, NW
    Schavemaker, M
    van Dijk, R
    Scholten-Peeters, GGM
    Heymans, MW
    Coppieters, MW
    Poolman, RW
    ESCAPE Research Group
    Griffith University Author(s)
    Coppieters, Michel
    Year published
    2021
    Metadata
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    Abstract
    PURPOSE: Although physical therapy is the recommended treatment in patients over 45 years old with a degenerative meniscal tear, 24% still opt for meniscal surgery. The aim was to identify those patients with a degenerative meniscal tear who will undergo surgery following physical therapy. METHODS: The data for this study were generated in the physical therapy arm of the ESCAPE trial, a randomized clinical trial investigating the effectiveness of surgery versus physical therapy in patients of 45-70 years old, with a degenerative meniscal tear. At 6 and 24 months patients were divided into two groups: those who did not undergo ...
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    PURPOSE: Although physical therapy is the recommended treatment in patients over 45 years old with a degenerative meniscal tear, 24% still opt for meniscal surgery. The aim was to identify those patients with a degenerative meniscal tear who will undergo surgery following physical therapy. METHODS: The data for this study were generated in the physical therapy arm of the ESCAPE trial, a randomized clinical trial investigating the effectiveness of surgery versus physical therapy in patients of 45-70 years old, with a degenerative meniscal tear. At 6 and 24 months patients were divided into two groups: those who did not undergo surgery, and those who did undergo surgery. Two multivariable prognostic models were developed using candidate predictors that were selected from the list of the patients' baseline variables. A multivariable logistic regression analysis was performed with backward Wald selection and a cut-off of p < 0.157. For both models the performance was assessed and corrected for the models' optimism through an internal validation using bootstrapping technique with 500 repetitions. RESULTS: At 6 months, 32/153 patients (20.9%) underwent meniscal surgery following physical therapy. Based on the multivariable regression analysis, patients were more likely to opt for meniscal surgery within 6 months when they had worse knee function, lower education level and a better general physical health status at baseline. At 24 months, 43/153 patients (28.1%) underwent meniscal surgery following physical therapy. Patients were more likely to opt for meniscal surgery within 24 months when they had worse knee function and a lower level of education at baseline at baseline. Both models had a low explained variance (16 and 11%, respectively) and an insufficient predictive accuracy. CONCLUSION: Not all patients with degenerative meniscal tears experience beneficial results following physical therapy. The non-responders to physical therapy could not accurately be predicted by our prognostic models.
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    Journal Title
    Knee Surgery, Sports Traumatology, Arthroscopy
    DOI
    https://doi.org/10.1007/s00167-021-06468-0
    Copyright Statement
    © The Author(s) 2021. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.
    Note
    This publication has been entered as an advanced online version in Griffith Research Online.
    Subject
    Clinical Sciences
    Human Movement and Sports Sciences
    Knee
    Meniscus
    Physical therapy
    Prognostic model
    Publication URI
    http://hdl.handle.net/10072/402463
    Collection
    • Journal articles

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