Science and Research Centre Koper, Institute for Kinesiology Research, Garibaldijeva 1, Koper, Slovenia.
Faculty of Sport and Physical Education, University of Niš, Čarnojevićeva 10a, Niš, Serbia.
Arch Orthop Trauma Surg. 2020 Oct;140(10):1515-1522. doi: 10.1007/s00402-020-03498-0. Epub 2020 Jun 7.
With the increasing prevalence of total knee replacement (TKR) due to knee osteoarthritis, the absence of patient-reported outcome measures in Slovenia must be addressed.
QUESTIONS/PURPOSES: (1) We cross-culturally adapted Oxford Knee Score (OKS) and Lower Extremity Functional Scale (LEFS) questionnaires to the Slovenian-speaking community. (2) We evaluated OKS and LEFS psychometric characteristics.
In the first assessment (Time 1) Slovenian versions of both questionnaires (OKS-Slo and LEFS-Slo), knee pain, timed-up to go (TUG) and sit to stand (STS) tests were completed by 123 subjects (55% females), of which 78 were patients scheduled for TKR and 45 were healthy age-matched controls. The questionnaires were assessed one week apart (Time 2) to investigate the test-retest reliability, with 121 subjects (98.4%) completing second measurements.
Significant differences were observed between the two groups. Where patients had greater body mass index, they were slower in TUG, weaker in STS, had greater knee pain in both knees and scored lower on both questionnaires. Additionally, correlation analysis showed that OKS-Slo and LEFS-Slo correlated almost perfectly (correlation coefficient [CC] = .968, p < 0.001). Excellent negative correlations were observed with TUG (OKS-Slo/CC = - 0.679, p < 0.001; LEFS-Slo/CC = - 0.692, p < 0.001) and STS (OKS-Slo/CC = 0.790, p < 0.001; LEFS-Slo/CC = 0.815, p < 0.001) tests, while knee pain of affected leg correlated the most (OKS-Slo/CC = - 0.923, p < 0.001; LEFS-Slo/CC = - 0.915, p < 0.001). The Cronbach's alpha coefficient for both the OKS-Slo and LEFS-Slo ranged between 0.87 and 0.99, while the interclass correlation coefficient was excellent; i.e., 0.99. Finally, both questionnaires proved to be unidimensional measures.
The Slovenian version of both questionnaires is feasible, valid and reliable for use in clinical studies including the older adult population in Slovenia.
Level III, Diagnostic-case-control study.
由于膝骨关节炎,全膝关节置换术(TKR)的患病率不断增加,斯洛文尼亚必须解决缺乏患者报告的结局测量指标的问题。
问题/目的:(1)我们将牛津膝关节评分(OKS)和下肢功能量表(LEFS)问卷跨文化适应为讲斯洛文尼亚语的人群。(2)我们评估了 OKS 和 LEFS 的心理测量特性。
在第一次评估(时间 1)中,123 名受试者(55%为女性)完成了两种问卷的斯洛文尼亚语版本(OKS-Slo 和 LEFS-Slo),以及膝关节疼痛、计时站立(TUG)和坐站(STS)测试,其中 78 名为计划接受 TKR 的患者,45 名为健康年龄匹配的对照组。两周后(时间 2)进行了问卷的测试-重测信度评估,121 名受试者(98.4%)完成了第二次测量。
两组之间存在显著差异。在体重指数较大的患者中,他们的 TUG 速度较慢,STS 力量较弱,双膝疼痛更大,两种问卷的得分都较低。此外,相关性分析表明 OKS-Slo 和 LEFS-Slo 之间几乎完全相关(相关系数[CC] = .968,p < 0.001)。与 TUG(OKS-Slo/CC = -0.679,p < 0.001;LEFS-Slo/CC = -0.692,p < 0.001)和 STS(OKS-Slo/CC = 0.790,p < 0.001;LEFS-Slo/CC = 0.815,p < 0.001)测试有很好的负相关性,而受影响的腿的膝关节疼痛相关性最强(OKS-Slo/CC = -0.923,p < 0.001;LEFS-Slo/CC = -0.915,p < 0.001)。OKS-Slo 和 LEFS-Slo 的克朗巴赫 α系数在 0.87 到 0.99 之间,而组内相关系数非常好,即 0.99。最后,两种问卷都证明是单维度的测量工具。
两种问卷的斯洛文尼亚语版本在包括斯洛文尼亚老年人在内的临床研究中是可行的、有效的、可靠的。
III 级,诊断病例对照研究。