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Improvement of the Van Lieshout hand function test for tetraplegia using a Rasch analysis / Annemie I.F. Spooren
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 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 Exemplaires
Cote Support Localisation Section Disponibilité aucun exemplaire Construct validity of the Trunk Aesthetic Clinical Evaluation (TRACE) in young people with idiopathic scoliosis / Stefano Negrini in Annals of physical and rehabilitation medicine, Vol. 63, n°3 (Mai-Juin 2020)
[article]
Titre : Construct validity of the Trunk Aesthetic Clinical Evaluation (TRACE) in young people with idiopathic scoliosis Type de document : texte imprimé Auteurs : Stefano Negrini ; Sabrina Donzelli ; Francesca Di Felice ; Fabio Zaina Année de publication : 2020 Article en page(s) : p. 216-221 Note générale : doi.org/10.1016/j.rehab.2019.10.008 Langues : Anglais (eng) Mots-clés : Idiopathic scoliosis Aesthetics Rehabilitation Rasch analysis Evaluation Résumé : Background
Aesthetics is recognized as a main outcome in idiopathic scoliosis (IS) treatment, but to date, there is no criterion standard for physicians’ evaluation. Trunk Aesthetic Clinical Evaluation (TRACE) is a simple 12-point ordinal scale to quantify symmetry as a proxy of aesthetics. TRACE is already diffused worldwide and has been used in clinical research.
Objective
We aimed to validate TRACE and improve it with Rasch analysis.
Material and methods
This study involved an observational Rasch analysis validation of an evaluation tool in outpatient rehabilitation centres. From a clinical database, we randomly selected patients who had IS, were age 10 to 18, had brace prescription at first evaluation, and had at least 2 consultations. Rasch analysis (partial credit model) was used. Differential item functioning (DIF) was assessed for age, sex, disease severity, bracing and treatment. The median was chosen to dichotomize disease severity and bracing. We removed 64 outlier participants (4%).
Results
We included 1553 participants (1334 females; mean [SD] age 13 [1.7] years old). TRACE items showed ordered thresholds and proper fit to the Rasch model. The score-to-measure conversion table showed proper length (range −4.55 to 4.79 logit) with a mean (SE) measure of −0.52 (0.04) logit. The principal component analysis supported the TRACE unidimensionality. The TRACE was free from DIF for age, sex and bracing.
Conclusions
The TRACE ordinal scale has been converted into a Rasch-consistent, interval-level measure of trunk aesthetics in IS patients and can be used to compare different populations. Its main flaw is low reliability, likely because of the small number of items. TRACE can be used as an outcome measure and in everyday clinical evaluation of IS, even if new developments of the scale are advised.Permalink : ./index.php?lvl=notice_display&id=90798
in Annals of physical and rehabilitation medicine > Vol. 63, n°3 (Mai-Juin 2020) . - p. 216-221[article] Construct validity of the Trunk Aesthetic Clinical Evaluation (TRACE) in young people with idiopathic scoliosis [texte imprimé] / Stefano Negrini ; Sabrina Donzelli ; Francesca Di Felice ; Fabio Zaina . - 2020 . - p. 216-221.
doi.org/10.1016/j.rehab.2019.10.008
Langues : Anglais (eng)
in Annals of physical and rehabilitation medicine > Vol. 63, n°3 (Mai-Juin 2020) . - p. 216-221
Mots-clés : Idiopathic scoliosis Aesthetics Rehabilitation Rasch analysis Evaluation Résumé : Background
Aesthetics is recognized as a main outcome in idiopathic scoliosis (IS) treatment, but to date, there is no criterion standard for physicians’ evaluation. Trunk Aesthetic Clinical Evaluation (TRACE) is a simple 12-point ordinal scale to quantify symmetry as a proxy of aesthetics. TRACE is already diffused worldwide and has been used in clinical research.
Objective
We aimed to validate TRACE and improve it with Rasch analysis.
Material and methods
This study involved an observational Rasch analysis validation of an evaluation tool in outpatient rehabilitation centres. From a clinical database, we randomly selected patients who had IS, were age 10 to 18, had brace prescription at first evaluation, and had at least 2 consultations. Rasch analysis (partial credit model) was used. Differential item functioning (DIF) was assessed for age, sex, disease severity, bracing and treatment. The median was chosen to dichotomize disease severity and bracing. We removed 64 outlier participants (4%).
Results
We included 1553 participants (1334 females; mean [SD] age 13 [1.7] years old). TRACE items showed ordered thresholds and proper fit to the Rasch model. The score-to-measure conversion table showed proper length (range −4.55 to 4.79 logit) with a mean (SE) measure of −0.52 (0.04) logit. The principal component analysis supported the TRACE unidimensionality. The TRACE was free from DIF for age, sex and bracing.
Conclusions
The TRACE ordinal scale has been converted into a Rasch-consistent, interval-level measure of trunk aesthetics in IS patients and can be used to compare different populations. Its main flaw is low reliability, likely because of the small number of items. TRACE can be used as an outcome measure and in everyday clinical evaluation of IS, even if new developments of the scale are advised.Permalink : ./index.php?lvl=notice_display&id=90798 Exemplaires (1)
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