Difference in the degree of improvement in patient-reported outcomes after total knee arthroplasty between octogenarians and sexagenarians: a propensity score matching analysis

Aging Clinical and Experimental Research
Seok Tae YunKwang Jun Oh

Abstract

As the population ages, the use of primary total knee arthroplasty (TKA) is on the rise in the octogenarian population. The objective of this study was to compare patient-reported outcomes after TKA in octogenarians versus sexagenarians. This retrospective case-controlled comparative study with a propensity score matching analysis was conducted by 251 patients who underwent TKA for degenerative osteoarthritis of the knee. After the propensity score matching analysis, 38 octogenarians and 41 sexagenarians were identified. Range of motion (ROM), degree of flexion contracture, Charlson Comorbidity Index score, Knee Society score (KSS), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scores, the 36-Item Short-Form Health Survey (SF-36), postoperative complications, length of stay, and 90-day mortality after TKA were compared. The degree of improvement of each functional parameter was also assessed. There was no significant difference in the degree of improvement in postoperative ROM, flexion contracture, or KSS. There were only significant differences in length of hospital stay and volume of blood transfusion (p < 0.001 and p = 0.004, respectively). The octogenarian patient group showed significantly inferior...Continue Reading

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Citations

Mar 25, 2019·Aging Clinical and Experimental Research·Michael A ClynesElaine M Dennison
Nov 18, 2020·Knee Surgery & Related Research·Seung Hoon LeeYong Seuk Lee
Jun 9, 2020·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Shigeharu TanakaRyo Tanaka

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