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An analysis of the Oxford hip and knee scores and their relationship to early joint revision in the New Zealand Joint Registry
How Oxford Hip and Knee Scores Relate to Early Joint Replacement in New Zealand
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Abstract
For every one-unit decrease in the Oxford score, the risk of revision within two years increased by 9.7% for total hip replacement.
- Logistic regression analysis indicated a 9.9% increase in revision risk for total knee replacement and a 12.0% increase for unicompartmental knee replacement with each one-unit decrease in the Oxford score.
- Monitoring the lowest 22% of Oxford scores captured 70% of TKR revisions and 67% of THR and UKR revisions within two years.
- Scores below 27 (poor) were linked to a 7.6% revision risk for THR, 7.0% for TKR, and 24.3% for UKR, compared to 0.7%, 0.7%, and 1.8% for scores above 34 (good or excellent).
- The results suggest that Oxford hip and knee scores at six months may be useful predictors of early revision after THR and TKR.
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