Improvement of the Van Lieshout hand function test for tetraplegia using a Rasch analysis / Annemie I.F. Spooren

Public ISBD fait partie de Dossier Publications enseignants Titre : Improvement of the Van Lieshout hand function test for tetraplegia using a Rasch analysis Type de document : document électronique Auteurs : Annemie I.F. Spooren, Auteur ; Carlyne Arnould, Auteur ; HMH Bongers, Auteur ; Henk A.M. Seelen, Auteur Année de publication : 2013 Note générale : Cet article est paru dans la revue Spinal Cord sous le doi:10.1038/sc.2013.54 Langues : Français (fre) Mots-clés : hand function test  tetraplegia  Rasch analysis  upper extremity Résumé : Study design:Cross-sectional studyObjective:The Van Lieshout hand function test for tetraplegia (VLT) measures the quality of arm–hand functioning in persons withtetraplegia. It is valid, reliable and responsive. However, it does not satisfy all the criteria for interval level measurement. The presentstudy aims to apply the Rasch model to the VLT short form (VLT-SF) to upgrade its scale type towards interval level, and to verify if therequirements of an objective measure are satisfied in the revised version.Setting:Eight Dutch Rehabilitation centres.Methods:The VLT-SF data of 73 tetraplegic patients were Rasch-analysed (RUMM2030 software, RUMM Laboratory Pty Ltd, Perth,Australia) to verify the order of response categories, unidimensionality and reliability of the VLT-SF, and to assess its applicabilityregardless of (motor) lesion completeness.Results:Seven of the ten VLT-SF items showed disordered response categories. The six original response categories were thereforerecoded into three or four categories. After recoding, all items satisfied the model requirement of unidimensionality. The items wererelatively well-targeted on the subjects’ arm–hand skilled performance measures, leading to a good person separation index(R¼0.91). The difficulty hierarchy of the VLT-SF items was invariant across patient subgroups of (motor) lesion completeness.Conclusions:Provided that response categories are recoded, VLT-SF Rasch analysis showed that the requirements of an objectivemeasure were satisfied. This allows to compare the measurements of different patients quantitatively, and to follow their results overtime. Permalink : ./index.php?lvl=notice_display&id=23630 fait partie de Dossier Publications enseignants Improvement of the Van Lieshout hand function test for tetraplegia using a Rasch analysis [document électronique] / Annemie I.F. Spooren, Auteur ; Carlyne Arnould, Auteur ; HMH Bongers, Auteur ; Henk A.M. Seelen, Auteur . - 2013. Cet article est paru dans la revue Spinal Cord sous le doi:10.1038/sc.2013.54 Langues : Français (fre) Mots-clés : hand function test  tetraplegia  Rasch analysis  upper extremity Résumé : Study design:Cross-sectional studyObjective:The Van Lieshout hand function test for tetraplegia (VLT) measures the quality of arm–hand functioning in persons withtetraplegia. It is valid, reliable and responsive. However, it does not satisfy all the criteria for interval level measurement. The presentstudy aims to apply the Rasch model to the VLT short form (VLT-SF) to upgrade its scale type towards interval level, and to verify if therequirements of an objective measure are satisfied in the revised version.Setting:Eight Dutch Rehabilitation centres.Methods:The VLT-SF data of 73 tetraplegic patients were Rasch-analysed (RUMM2030 software, RUMM Laboratory Pty Ltd, Perth,Australia) to verify the order of response categories, unidimensionality and reliability of the VLT-SF, and to assess its applicabilityregardless of (motor) lesion completeness.Results:Seven of the ten VLT-SF items showed disordered response categories. The six original response categories were thereforerecoded into three or four categories. After recoding, all items satisfied the model requirement of unidimensionality. The items wererelatively well-targeted on the subjects’ arm–hand skilled performance measures, leading to a good person separation index(R¼0.91). The difficulty hierarchy of the VLT-SF items was invariant across patient subgroups of (motor) lesion completeness.Conclusions:Provided that response categories are recoded, VLT-SF Rasch analysis showed that the requirements of an objectivemeasure were satisfied. This allows to compare the measurements of different patients quantitatively, and to follow their results overtime. Permalink : ./index.php?lvl=notice_display&id=23630

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Reference values for transformed Van Lieshout handfunction test for Tetraplegia / Annemie I.F. Spooren

Public ISBD fait partie de Dossier Publications enseignants Titre : Reference values for transformed Van Lieshout handfunction test for Tetraplegia Type de document : document électronique Auteurs : Annemie I.F. Spooren, Auteur ; Carlyne Arnould, Auteur ; Rob R.J.E.M. Smeets, Auteur ; Govert Snoek, Auteur ; Henk A.M. Seelen, Auteur Année de publication : 2013 Note générale : Cet article est paru dans le revue Spinal Cord sous le doi.org/10.1038/sc.2013.73 Langues : Anglais (eng) Mots-clés : spinal cord injury  upper extremity  reference values  test  motor skill Résumé : Study design: Longitudinal cohort study. Objectives: Previously, the Van Lieshout hand function test for tetraplegia (short form)(VLT-SF) has been transformed into an interval scale (r_VLT-SF) using the Rasch analysis, thereby fulfilling the requirements of an objective measurement. The present study aims (1) to transform r_VLT-SFlogit scores (r_VLT-SFlogit) into 0–100 scores (r_VLT-SF100) in order to facilitate communication amongst its users and (2) to describe r_VLT-SF100 reference values in order to refine the prediction of upper extremity skilled performance in persons with tetraplegia. Setting: Eight Dutch rehabilitation centres. Methods: The VLT-SF data of tetraplegic patients from eight Dutch rehabilitation centres, gathered at the start of the active rehabilitation (t1), 3 months after t1 (t2) and at the time of discharge (t3), have been used. The r_VLT-SF100 total score for t1 and t3 were computed, anchored on the data for t2. Reference values (medians and interquartiles) for different subgroups were calculated at different moments during the rehabilitation. Results: Data at t1 (n=64), t2 (n=73) and t3 (n=69) were used. The r_VLT-SFlogit scores (−4.78–6.32) were transformed into r_VLT-SF100 (0–100) at t2. Reference values were established for persons with motor complete or incomplete lesions with either a high (C1–C6) or a low (C7-T1) lesion level at t1, t2 and t3. Significant differences (P<0.025) in r_VLT-SF100 were found for most subgroups and different time intervals. Conclusions: The r_VLT-SFlogit scores were converted into r_VLT-SF100 scores, and reference values of the r_VLT-SF100 have been established for different subgroups of tetraplegic patients at different stages during rehabilitation. The r_VLT-SF100 has been proven to be able to detect improvement over time. Permalink : ./index.php?lvl=notice_display&id=23629 fait partie de Dossier Publications enseignants Reference values for transformed Van Lieshout handfunction test for Tetraplegia [document électronique] / Annemie I.F. Spooren, Auteur ; Carlyne Arnould, Auteur ; Rob R.J.E.M. Smeets, Auteur ; Govert Snoek, Auteur ; Henk A.M. Seelen, Auteur . - 2013. Cet article est paru dans le revue Spinal Cord sous le doi.org/10.1038/sc.2013.73 Langues : Anglais (eng) Mots-clés : spinal cord injury  upper extremity  reference values  test  motor skill Résumé : Study design: Longitudinal cohort study. Objectives: Previously, the Van Lieshout hand function test for tetraplegia (short form)(VLT-SF) has been transformed into an interval scale (r_VLT-SF) using the Rasch analysis, thereby fulfilling the requirements of an objective measurement. The present study aims (1) to transform r_VLT-SFlogit scores (r_VLT-SFlogit) into 0–100 scores (r_VLT-SF100) in order to facilitate communication amongst its users and (2) to describe r_VLT-SF100 reference values in order to refine the prediction of upper extremity skilled performance in persons with tetraplegia. Setting: Eight Dutch rehabilitation centres. Methods: The VLT-SF data of tetraplegic patients from eight Dutch rehabilitation centres, gathered at the start of the active rehabilitation (t1), 3 months after t1 (t2) and at the time of discharge (t3), have been used. The r_VLT-SF100 total score for t1 and t3 were computed, anchored on the data for t2. Reference values (medians and interquartiles) for different subgroups were calculated at different moments during the rehabilitation. Results: Data at t1 (n=64), t2 (n=73) and t3 (n=69) were used. The r_VLT-SFlogit scores (−4.78–6.32) were transformed into r_VLT-SF100 (0–100) at t2. Reference values were established for persons with motor complete or incomplete lesions with either a high (C1–C6) or a low (C7-T1) lesion level at t1, t2 and t3. Significant differences (P<0.025) in r_VLT-SF100 were found for most subgroups and different time intervals. Conclusions: The r_VLT-SFlogit scores were converted into r_VLT-SF100 scores, and reference values of the r_VLT-SF100 have been established for different subgroups of tetraplegic patients at different stages during rehabilitation. The r_VLT-SF100 has been proven to be able to detect improvement over time. Permalink : ./index.php?lvl=notice_display&id=23629

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