The German Lower Extremity Functional Scale (LEFS) is reliable, valid and responsive in patients undergoing hip or knee replacement

被引：33

作者：

Naal, Florian D. ^{[1
,2
]}

Impellizzeri, Franco M. ^{[3
]}

Torka, Sebastian ^{[1
]}

Wellauer, Vanessa ^{[3
]}

Leunig, Michael ^{[2
]}

von Eisenhart-Rothe, Ruediger ^{[1
]}

机构：

[1] Tech Univ Munich, Klinikum Rechts Isar, Dept Orthopaed Surg, D-81675 Munich, Germany

[2] Schulthess Clin, Dept Orthopaed Surg, Zurich, Switzerland

[3] Schulthess Clin, Dept Res & Dev, Zurich, Switzerland

来源：

QUALITY OF LIFE RESEARCH | 2015年 / 24卷 / 02期

关键词：

Lower Extremity Functional Scale; German version validation; Total hip replacement; Osteoarthritis; Knee arthroplasty; Outcome score; CROSS-CULTURAL ADAPTATION; OSTEOARTHRITIS INDEX; WESTERN-ONTARIO; VERSION; WOMAC; SCORE; RELIABILITY;

D O I：

10.1007/s11136-014-0777-6

中图分类号：

R19 [保健组织与事业（卫生事业管理）];

学科分类号：

摘要：

To determine the measurement properties of a German version of the Lower Extremity Functional Scale (LEFS) in patients with hip or knee osteoarthritis undergoing total joint replacement (TJR). This prospective cohort study included 486 consecutive patients. The LEFS and other self-reported outcome measures were administered at different time points and several classical measurement properties were determined. The German LEFS was highly reliable (ICC 0.98) and internally consistent (CA 0.95). Construct validity was proven by large to very large correlations (r = 0.52-0.91) with all other instruments in the expected directions. Factor analysis using a polychoric correlation matrix revealed two factors at baseline and 6 months explaining about 70 % of the total variance. There were no floor or ceiling effects for the total score, but significant floor effects for the single items 16-19 at baseline. The LEFS was highly responsive at 6 months. The German LEFS proved to be a reliable, valid and responsive tool for the self-assessment of patients undergoing total hip or knee replacement. Nevertheless, the questionnaire seems to summarize more than one construct as highlighted by the factor analysis. Further research seems therefore warranted.

引用

页码：405 / 410

页数：6

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