Can KOOS-PS be replaced with a simple anchor question in patients after total knee arthroplasty?: an agreement study of 2,478 primary surgeries.

IF 2.5 2区 医学 Q1 ORTHOPEDICS Acta Orthopaedica Pub Date : 2024-11-12 DOI:10.2340/17453674.2024.42098
Siri Bjørgen Winther, Anders Sjøstrøm, Sølvi Liabakk-Selli, Olav A Foss, Tina S Wik, Jomar Klaksvik
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Abstract

Background and purpose:  Physical function and pain are the most important outcomes following total knee arthroplasty (TKA). These can be evaluated by patient-reported outcome measures (PROMs), or by an anchor question. The primary aim of the study was to evaluate whether a simple anchor question can replace KOOS-PS in assessing postoperative knee function until 1-year follow-up, evaluated by analyzing the agreement between the 2 methods using the diagnostic odds ratio (DOR). Secondary aims were pain (NRS) at rest and during mobilization.

Methods:  This is a diagnostic accuracy study with primary TKAs performed between 2010 and 2022. The surgeries were categorized as improved (I) or worsened (W) based on a dichotomized anchor question related to self-perceived change in physical function, and the dichotomized change in KOOS-PS until 1-year follow-up. This led to 4 groups: (II, IW, WI, and WW).

Results:  Agreement was found with a DOR of 11.3 (CI 7.9-16.2). 2,335 (94%) reported improved function on the anchor question and 143 (6%) worsened function. Among those with improved anchor 2,132 (91%) had improved KOOS-PS, but among those with worsened anchor only 74 (52%) had worsened KOOS-PS. Pain at 1-year follow-up was lower in the groups reporting improved anchor.

Conclusion:  The KOOS-PS can be replaced with an anchor question to assess change in function until 1 year. However, the KOOS-PS might be a valuable supplement in patients reporting worsened anchor as only half of those had worsened KOOS-PS.

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在全膝关节置换术后的患者中,KOOS-PS 是否可以用一个简单的锚定问题来替代?
背景和目的:身体功能和疼痛是全膝关节置换术(TKA)后最重要的结果。这些结果可以通过患者报告的结果测量(PROMs)或锚定问题进行评估。该研究的主要目的是评估一个简单的锚定问题是否能取代 KOOS-PS 评估术后膝关节功能,直至 1 年随访,评估方法是使用诊断几率比(DOR)分析两种方法之间的一致性。次要目标是休息和活动时的疼痛(NRS): 这是一项诊断准确性研究,研究对象为 2010 年至 2022 年间实施的初次 TKAs。根据自我感觉身体功能变化的二分法锚定问题,以及随访一年前KOOS-PS的二分法变化,将手术分为改善(I)和恶化(W)两组。这导致了 4 个组别:(II、IW、WI 和 WW): 结果:结果一致,DOR 为 11.3 (CI 7.9-16.2)。2335人(94%)报告在锚点问题上功能有所改善,143人(6%)报告功能有所恶化。在锚定问题得到改善的患者中,有 2,132 人(91%)的 KOOS-PS 有所改善,但在锚定问题恶化的患者中,只有 74 人(52%)的 KOOS-PS 有所恶化。在随访 1 年时,锚定情况有所改善的人群中疼痛程度较低: 结论:KOOS-PS 可以用锚定问题代替,以评估 1 年前的功能变化。结论:KOOS-PS 可替代锚定问题来评估 1 年前的功能变化,但对于报告锚定情况恶化的患者,KOOS-PS 可能是一个有价值的补充,因为其中只有一半患者的 KOOS-PS 有所恶化。
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来源期刊
Acta Orthopaedica
Acta Orthopaedica 医学-整形外科
CiteScore
6.40
自引率
8.10%
发文量
105
审稿时长
4-8 weeks
期刊介绍: Acta Orthopaedica (previously Acta Orthopaedica Scandinavica) presents original articles of basic research interest, as well as clinical studies in the field of orthopedics and related sub disciplines. Ever since the journal was founded in 1930, by a group of Scandinavian orthopedic surgeons, the journal has been published for an international audience. Acta Orthopaedica is owned by the Nordic Orthopaedic Federation and is the official publication of this federation.
期刊最新文献
Acute treatment of elderly patients with acetabular fractures by open reduction, internal fixation, and total hip arthroplasty: a 1-10-year follow-up of 48 patients. Incidence and risk factors of adverse events after distal radius fracture fixation with volar locking plates: retrospective analysis of 2,790 cases. The completeness of national hip and knee replacement registers. Can KOOS-PS be replaced with a simple anchor question in patients after total knee arthroplasty?: an agreement study of 2,478 primary surgeries. Erratum: Regional variation in low-value musculoskeletal surgery: a nationwide study from the Finnish Care Register.
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