The Oxford Knee Score is a reliable predictor of patients in a health state worse than death and awaiting total knee arthroplasty

Autor: N. D. Clement, I. Afzal, P. Liu, K. M. Phoon, V. Asopa, D. H. Sochart, D. F. Kader
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Arthroplasty, Vol 4, Iss 1, Pp 1-9 (2022)
Druh dokumentu: article
ISSN: 2524-7948
DOI: 10.1186/s42836-022-00132-9
Popis: Abstract Background The health-related quality of life of patients awaiting a total knee arthroplasty (TKA) deteriorates with increasing time to surgery and identification of those with the worst quality of life may help to prioritize patients. The aims were to identify and validate independent variable(s) associated with a health state worse than death (WTD) in patients awaiting a TKA and whether these variables influenced patients-reported outcome measures. Methods A retrospective cohort of 5857 patients undergoing a primary TKA was identified from an established arthroplasty database. Patient demographics, body mass index (BMI), index of multiple deprivation, Oxford Knee Score (OKS), EuroQoL five dimension (EQ-5D) 3 level, and visual analogue scale (EQ-VAS) were collected preoperatively and one year postoperatively. An EQ-5D utility of less than zero was defined as WTD. A randomly selected subset of patients (n = 3076) was used to validate the variable that was most predictive of a state WTD and to assess the influence on patient-reported outcomes. Results There were 771 (13.2%) patients with a health state WTD. Increasing social deprivation (P = 0.050), worse preoperative OKS (P
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