• Patient Prefer Adher · Jan 2018

    Total knee arthroplasty status and patient-reported, knee-related quality of life over a 4-year follow-up period: data from the osteoarthritis initiative.

    • Saad M Bindawas.
    • Department of Rehabilitation Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia.
    • Patient Prefer Adher. 2018 Jan 1; 12: 477-482.

    PurposeTo examine the relationship between baseline total knee arthroplasty (TKA) status and patient-reported, knee-related quality of life (QoL) over a 4-year follow-up relative to no knee osteoarthritis (OA).Patients And MethodsData from the Osteoarthritis Initiative were included, comprising 4,674 adults aged 45-79 years at baseline. Patients were categorized into four groups: no knee OA (n=3,711), non-TKA (n=902), pre-TKA (n=36), and post-TKA (n=25). QoL was measured using the Knee Injury Osteoarthritis Outcome Score-QoL subscale. General linear mixed models were used for the relationship between TKA and QoL.ResultsAfter adjusting for covariates, a reduced QoL was noted for patients in the non-TKA (mean [standard error], -13.97 [0.73]; P<0.0001), pre-TKA (-21.34 [3.57]; P<0.0001), and post-TKA (-9.68 [3.94]; P=0.0143) groups compared with the no knee OA group. QoL in the non-TKA group also decreased over time (-0.16 [0.07]; P=0.226).ConclusionNon-, pre-, and post-TKA status is associated with a lower QoL.

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