Comparison of efficacy and cost-effectiveness between mobile-bearing and fixed-bearing unicompartmental knee arthroplasty for elderly patients with knee osteoarthritis: a retrospective cohort study - Takeaways - MDSpire

Comparison of efficacy and cost-effectiveness between mobile-bearing and fixed-bearing unicompartmental knee arthroplasty for elderly patients with knee osteoarthritis: a retrospective cohort study

  • By

  • Liangchun Pan

  • Linlin Zhang

  • Zongsheng Yin

  • Yunchao Shao

  • Dengpan Yao

  • June 26, 2026

  • 0 min

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  • 1

    The study compares mid-term efficacy and cost-effectiveness of Mobile-Bearing and Fixed-Bearing unicompartmental knee arthroplasty in elderly patients.

  • 2

    A total of 502 patients were included, with 251 in each group, undergoing surgery from July 2020 to July 2023.

  • 3

    The Mobile-Bearing Group had significantly lower visual analog pain scores and higher functional scores compared to the Fixed-Bearing Group.

  • 4

    Mobile-Bearing arthroplasty resulted in longer surgical times and higher medical costs, while Fixed-Bearing was identified as more economical.

  • 5

    The study highlights the need for systematic comparisons of clinical efficacy and health economics in unicompartmental knee replacement.

Original Source(s)

Comparison of efficacy and cost-effectiveness between mobile-bearing and fixed-bearing unicompartmental knee arthroplasty for elderly patients with knee osteoarthritis: a retrospective cohort study

  • by Liangchun Pan, Linlin Zhang, Zongsheng Yin, Yunchao Shao, Dengpan Yao

  • June 26, 2026

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