Factors Predicting the Forgotten Joint Score After Total Knee Arthroplasty
abstract
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BACKGROUND
We recently developed the forgotten joint score 12 (FJS-12), a tool
to assess joint awareness in everyday life. It is unknown whether
patient factors predicting the outcome of the FJS-12 after total
knee arthroplasty (TKA) exist.
METHODS
Five hundred forty cases of TKA were analyzed. Objective clinical
results were obtained for range of motion, stability, and alignment.
Patient-reported outcome was assessed using the FJS-12. Baseline
data and complications were recorded. Cluster analysis based on
FJS-12, postoperative flexion, and age resulted in 3 groups: poor
outcome (88 patients), good outcome (340 patients), and excellent
outcome (118 patients). The characteristics of "poor"
compared to "excellent" clusters were studied more closely
using bivariate comparative tests and logistic regression.
RESULTS
We could find that male patients around 63 years with a lower body
mass index were most likely to be allocated to the cluster
"excellent" (defined as high FJS-12 and high postoperative
flexion). Preoperative extension and flexion, stability,
varus/valgus alignment, surgery prior TKA, or comorbidities were not
predictive for the FJS-12 at 1 year follow-up.
CONCLUSION
We identified 3 preoperative patient-related factors that may
predict the FJS-12 after TKA: body mass index, age, and gender.
These findings can be used to guide decision-making and important
preoperative discussions on expectations after TKA.
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citation
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Behrend H, Zdravkovic V, Giesinger J, Giesinger K. Factors
Predicting the Forgotten Joint Score After Total Knee Arthroplasty.
J Arthroplasty 2016; 31:1927-32.
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type
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journal paper/review (English)
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date of publishing
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27-02-2016
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journal title
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J Arthroplasty (31/9)
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ISSN electronic
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1532-8406
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pages
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1927-32
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PubMed
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27012431
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DOI
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10.1016/j.arth.2016.02.035
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