@article{MaritzTennantFellinghaueretal.2019, author = {Maritz, R. and Tennant, A. and Fellinghauer, C. and Stucki, G. and Prodinger, Birgit}, title = {The Extended Barthel Index (EBI) can Be Reported as a Unidimensional Interval-Scaled Metric - A Psychometric Study}, series = {Physikalische Medizin, Rehabilitationsmedizin, Kurortmedizin}, volume = {29}, journal = {Physikalische Medizin, Rehabilitationsmedizin, Kurortmedizin}, number = {04}, pages = {224 -- 232}, year = {2019}, abstract = {Background: The Extended Barthel Index (EBI), consisting of the original Barthel Index plus 6 cognitive items, provides a tool to monitor patients' outcomes in rehabilitation. Whether the EBI provides a unidimensional metric, thus can be reported as a valid sum-score, remains to be examined. Objective: To examine whether the EBI can be reported as unidimensional interval-scaled metric for neurological and musculoskeletal rehabilitation. Methods: Rasch analysis of a calibration sample of 800 cases from neurological or musculoskeletal rehabilitation in 2016 in Switzerland. Results: In the baseline analysis no fit to the Rasch Model was achieved. When accommodating local dependencies with a testlet approach satisfactory fit to the Rasch Model was achieved, and an interval scale transformation table was created. Conclusion: The results support the reporting of adapted EBI total scores for both rehabilitation groups by applying the interval scaled transformation table presented in this study.}, language = {en} } @article{BartoszekFischerClarmannvonClarenauetal.2015, author = {Bartoszek, Gabriele and Fischer, Uli and Clarmann von Clarenau, Stephan and Grill, Eva and Mau, Wilfried and Meyer, Gabriele and Strobl, Ralf and Thiesemann, R{\"u}diger and Nadolny, Stephan and M{\"u}ller, Martin}, title = {Development of an International Classification of Functioning, Disability and Health (ICF)-based standard set to describe the impact of joint contractures on participation of older individuals in geriatric care settings}, series = {Archives of gerontology and geriatrics}, volume = {61}, journal = {Archives of gerontology and geriatrics}, editor = {Science direct,}, year = {2015}, abstract = {Introduction Joint contractures are characterized as impairment of the physiological movement of joints due to deformity, disuse or pain and have major impact especially for older individuals in geriatric care. Some measures for the assessment of the impact of joint contractures exist. However, there is no consensus on which aspects should constantly be measured. Our objective was to develop a standard-set based on the ICF for describing functioning and disability in older individuals with joint contractures in geriatric care settings, giving special emphasis to activities and participation. Methods The ICF-based standard set was developed in a formal decision-making and consensus process and based on an adapted version of the protocol to develop ICF Core Sets. These are sets of categories from the ICF, serving as standards for the assessment, communication and reporting of functioning and health for clinical studies, clinical encounters and multi-professional comprehensive assessment and management. Results Twenty-three experts from Germany and Switzerland selected 105 categories of the ICF component Activities and Participation for the ICF-based standard set. The largest number of categories was selected from the chapter Mobility (50 categories, 47.6\%). Conclusions The standard set for older individuals with joint contractures provides health professionals with a standard for describing patients' activity limitations and participation restrictions. The standard set also provides a common basis for the development of patient-centered measures and intervention programs. The preliminary version of the ICF-based standard set will be tested in subsequent studies with regard to its psychometric properties.}, language = {en} }