title: Cost-benefit comparison of the Oxford Knee score and the American Knee Society score in measuring outcome of total knee arthroplasty.
abstract: The American Knee Society score (AKSS) and the Oxford Knee score (OKS) are validated outcome measures for evaluation of total knee arthroplasties (TKAs). We investigated whether patient self-assessment using the OKS offers a viable alternative to clinical review using the AKSS. Preoperative, 2-year, 5-year, and 10-year postoperative OKS and AKSS were reviewed from TKA patients. The scores were analyzed using the Pearson correlation. There was good correlation of OKS and AKSS at 2 years. This implies that patient self-assessment is a viable screening tool to identify which patients require clinical review, at 2 years, after TKA. However, the moderate correlation at 5 and 10 years indicates that clinical evaluation remains necessary at these time points.
authors.affiliation: South West London Elective Orthopedic Center, Epsom General Hospital, Epsom, Surrey, United Kingdom.
authors.forename: Greg Anthony
authors.initials: GA
authors.lastname: Medalla
authors.forename: Pradeep
authors.initials: P
authors.lastname: Moonot
authors.forename: Tamlyn
authors.initials: T
authors.lastname: Peel
authors.forename: Yegappan
authors.initials: Y
authors.lastname: Kalairajah
authors.forename: Richard E
authors.initials: RE
authors.lastname: Field
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D019645:Arthroplasty, Replacement, Knee; D003362:Cost-Benefit Analysis; D005260:Female; D005500:Follow-Up Studies; D006306:Health Surveys; D006801:Humans; D007719:Knee Joint / Q000502:physiology* / Q000601:surgery; D008297:Male; D008875:Middle Aged; D017063:Outcome Assessment, Health Care / Q000191:economics* / Q000379:methods*; D017060:Patient Satisfaction; D016059:Range of Motion, Articular / Q000502:physiology*; D012680:Sensitivity and Specificity; D016896:Treatment Outcome; D006113:United Kingdom; D014481:United States