DOS 2019

180 · DOS Abstracts Reproducibility and Responsiveness of a Danish version of the IKDC Subjective Knee Form for adults with knee disorders Annemette Krintel Petersen, Julie Sandell Jacobsen, Marianne Godt Hansen, Randi Gram Rasmussen, Birgitte Blaabjerg, Martin Carøe Lind, Lisa Gregersen Oestergaard Department of Physiotherapy and Occupational Therapy, Aarhus University Hospital, Denmark; Department of Physiotherapy and Research Centre in Health and Welfare Technology, Via University College, Denmark; Department of Administration, Aarhus University Hospital, Denmark; Department of Physiotherapy and Occupational Therapy, Aarhus University Hospital, Denmark; Department of Orthopaedic Surgery, Aarhus University Hospital, Denmark Background: The International Knee Documentation Committee Subjective Knee Form (IKDC-SKF) is a widely used regions- specific patient-oriented outcome measure of symptoms, function, and sport activities in patients with knee disorders. Translation and assessment properties of a Danish version of the IKDC-SKF have not been established. Purpose / Aim of Study: We aimed to translate the IKDC-SKF into Danish and test its reproducibility and responsiveness in patients with a variety of knee disorders. Materials and Methods: The translation process followed international guidelines. Reproducibility and responsiveness were assessed in a clinical study on 86 adults with a median age of 25 (range 18-80) years. The most prevalent condition among the study population was anterior cruciate ligament lesion (n=50, 58%), either isolated or in com- bination with other lesions or osteoarthritis (N=14, 16 Reproducibility was assessed in 56 adults responding the IKDC-SKF questionnaire twice within 9 days. For analysis of responsiveness, 64 adults responded the IKDC-SKF again after 6 months after surgical treatment of ACL lesion, patella instability and cartilage lesion. Evaluating responsive- ness, the change in scores was correlated to the Global Rating Scale. The scale consists of answers from “a very great deal worse “to “a very great deal better”. Findings / Results: The standardized response mean showed a large effect in patients reporting better condition. The minimal important change was 7.0 points. Evaluating reproducibility, the Intra class correlation coefficient (ICC) was 0.94, standard error of measurement (SEM) was 2.6 (2.2; 3.3) points, and smallest detectable change was 7.2 points. Evaluating responsiveness, the change in scores was correlated to the Global Rating Scale (Spearman`s rho= 0.32). Conclusions: In conclusion, the Danish IKDC-SKF demonstrated excellent test retest reproducibility both at group and individual level. The IKDC-SKF showed adequate re- sponsiveness and is suitable for assessing improvement or deterioration in adults with a variety of knee disorders. 136.