Function and activity in patients with knee arthroplasty: validity and reliability of a German version of the Lysholm Score and the Tegner Activity Scale
- Swanenburg, Jaap
- Koch, Peter P
- Meier, Nadja
- Wirth, Brigitte
DOIAbstract
OBJECTIVE: The Lysholm score and the Tegner activity scale are widely used for assessing knee function and activity level after knee ligament injuries. This study aimed to asses validity and reliability of the German versions of the Lysholm score (Lysholm-G) and the Tegner activity scale (Tegner-G) in patients after total knee arthroplasty (TKA). METHODS: Two patient groups (<3 months postoperative; 3 to 12 months postoperative) and a healthy control group completed both questionnaires twice within 3 to 7 days. On the first occasion, the SF-12 questionnaire was also administered. The instruments' absolute and relative reliability, internal consistency, construct validity (discriminative validity and exploratory factor analysis), criterion ...
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