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DiscussionThis higher precision was probably due to the accurate analysis of the hip anatomy, theproblems that may be encountered were detected before surgery. Clinical benefits for thepatients were also proved. This technique is now our gold standard procedure.FiguresFigure 1 Figure 2Saturday, October 9, 2010, 7:45-8:50Session B16: Performance and Survivorship in ArthroplastyThe Demographic Influence on Oxford Knee Scoring: Fact or Fiction?Introduction:*Bassel El-Osta - Central Middelsex Hospital - London, UKAli Ghoz - Leeds Hospital - Leeds, United KingdomMark Andrews - Scarborough General Hospital - Scarborough, United Kingdom*Email: jahed74@gmail.comThe Oxford Knee Score is a well validated, commonly used scoring system. Previous studies have suggested that thescore is influenced by demographic differences between patients in particular the functional component more than thepain and clinical components. The aim of this study was to further assess this using a large number of patients.Methods:The pre, 3 months and 12 months post-surgical Oxford Knee Scores were collected from 1492 patients from fivedistinct demographic locations undergoing total knee arthroplasty over twelve years under the care of 8 differentconsultants. A total of 735 patients had complete data sets. The scores were than analysed to test whether age,postcode, sex or consultant in charge had any significant effects on the outcome.Results:No significant difference in outcome was found between the five locations used in the study. This was also the casewhen different consultants were compared however when the results are adjusted for age there was a significantdifference (p=0.019). In this study female patients had higher scores at both 3 and 12 months (significance p=0.011and 0.044 respectively). Age of patient was also found to be of borderline significance when determining the postoperativescores.Conclusion:This large patient sample study shows that the Oxford Knee Score in post-operative patients is not as heavilyinfluenced by demography as previously suggested. The results show that patients who are older and/or male will havebetter outcomes from knee arthroplasty. Individual surgeons do not significantly affect the outcome although somesurgeons may have better results when age of patient is taken into account. Lastly, post code and life style has nosignificant influence on the outcome neither should be taken for any consideration for surgery.file:///E|/ISTA2010-Abstracts.htm[12/7/2011 3:15:47 PM]