Validation of the Hebrew Version of the Unified Dyskinesia Rating Scale

Achinoam Faust-Socher; Saar Anis; Meir Kestenbaum; Herzl Shabtai; Tali Taichman; Aya Bar David; Adi Ezra; Chava Peretz; Alina Rosenberg; Marina Brozgol; Talia Herman; Glenn T. Stebbins; Christopher G. Goetz; Pablo Martínez-Martín; Sheng T. Luo; Xuehan Ren; Nir Giladi; Tanya Gurevich

doi:10.1159/000507827

Validation of the Hebrew Version of the Unified Dyskinesia Rating Scale

Achinoam Faust-Socher^*, Saar Anis, Meir Kestenbaum, Herzl Shabtai, Tali Taichman, Aya Bar David, Adi Ezra, Chava Peretz, Alina Rosenberg, Marina Brozgol, Talia Herman, Glenn T. Stebbins, Christopher G. Goetz, Pablo Martínez-Martín, Sheng T. Luo, Xuehan Ren, Nir Giladi, Tanya Gurevich

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

Background: The Unified Dyskinesia Rating Scale (UDysRS) is a well-established tool for producing comprehensive assessments of severity and disability associated with dyskinesia in patients with Parkinson's disease (PD). The scale was originally developed in English, and a broad international effort has been undertaken to develop and validate versions in additional languages. Our aim was to validate the Hebrew version of the UDysRS. Methods: We translated the UDysRS into Hebrew, back-translated it into English, and carried out cognitive pretesting. We then administered the scale to non-demented native Hebrew-speaking patients who fulfilled the Brain Bank diagnostic criteria for probable PD (n = 250). Data were compared to the Reference Standard data used for validating UDysRS translations. Results: The different portions of the Hebrew UDysRS showed high internal consistency (α ≥ 0.92). A confirmatory factor analysis in which we compared the Hebrew UDysRS to the Reference Standard version produced a comparative fit index (CFI) of 0.98, exceeding the threshold criterion of CFI > 0.9 indicating factor validity. A secondary exploratory factor analysis provided further support to the consistency between the factor structures of the Hebrew and Reference Standard versions of the UDysRS. Conclusion: The UDysRS Hebrew version shows strong clinimetric properties and fulfills the criteria for designation as an official International Parkinson and Movement Disorder Society-approved translation for use in clinical and research settings.

Original language	English
Pages (from-to)	356-362
Number of pages	7
Journal	Neuroepidemiology
Volume	54
Issue number	4
DOIs	https://doi.org/10.1159/000507827
State	Published - 1 Jul 2020

Keywords

Clinimetrics
Dyskinesia
Parkinson’s disease
Rating scales
Validation

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10.1159/000507827

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Faust-Socher, A., Anis, S., Kestenbaum, M., Shabtai, H., Taichman, T., Bar David, A., Ezra, A., Peretz, C., Rosenberg, A., Brozgol, M., Herman, T., Stebbins, G. T., Goetz, C. G., Martínez-Martín, P., Luo, S. T., Ren, X., Giladi, N., & Gurevich, T. (2020). Validation of the Hebrew Version of the Unified Dyskinesia Rating Scale. Neuroepidemiology, 54(4), 356-362. https://doi.org/10.1159/000507827

@article{0225c3f3c5c8451e8f716065b1b7e82f,

title = "Validation of the Hebrew Version of the Unified Dyskinesia Rating Scale",

abstract = "Background: The Unified Dyskinesia Rating Scale (UDysRS) is a well-established tool for producing comprehensive assessments of severity and disability associated with dyskinesia in patients with Parkinson's disease (PD). The scale was originally developed in English, and a broad international effort has been undertaken to develop and validate versions in additional languages. Our aim was to validate the Hebrew version of the UDysRS. Methods: We translated the UDysRS into Hebrew, back-translated it into English, and carried out cognitive pretesting. We then administered the scale to non-demented native Hebrew-speaking patients who fulfilled the Brain Bank diagnostic criteria for probable PD (n = 250). Data were compared to the Reference Standard data used for validating UDysRS translations. Results: The different portions of the Hebrew UDysRS showed high internal consistency (α ≥ 0.92). A confirmatory factor analysis in which we compared the Hebrew UDysRS to the Reference Standard version produced a comparative fit index (CFI) of 0.98, exceeding the threshold criterion of CFI > 0.9 indicating factor validity. A secondary exploratory factor analysis provided further support to the consistency between the factor structures of the Hebrew and Reference Standard versions of the UDysRS. Conclusion: The UDysRS Hebrew version shows strong clinimetric properties and fulfills the criteria for designation as an official International Parkinson and Movement Disorder Society-approved translation for use in clinical and research settings.",

keywords = "Clinimetrics, Dyskinesia, Parkinson{\textquoteright}s disease, Rating scales, Validation",

author = "Achinoam Faust-Socher and Saar Anis and Meir Kestenbaum and Herzl Shabtai and Tali Taichman and {Bar David}, Aya and Adi Ezra and Chava Peretz and Alina Rosenberg and Marina Brozgol and Talia Herman and Stebbins, {Glenn T.} and Goetz, {Christopher G.} and Pablo Mart{\'i}nez-Mart{\'i}n and Luo, {Sheng T.} and Xuehan Ren and Nir Giladi and Tanya Gurevich",

note = "Publisher Copyright: {\textcopyright} 2020 ",

year = "2020",

month = jul,

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doi = "10.1159/000507827",

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volume = "54",

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Faust-Socher, A, Anis, S, Kestenbaum, M, Shabtai, H, Taichman, T, Bar David, A, Ezra, A, Peretz, C, Rosenberg, A, Brozgol, M, Herman, T, Stebbins, GT, Goetz, CG, Martínez-Martín, P, Luo, ST, Ren, X, Giladi, N & Gurevich, T 2020, 'Validation of the Hebrew Version of the Unified Dyskinesia Rating Scale', Neuroepidemiology, vol. 54, no. 4, pp. 356-362. https://doi.org/10.1159/000507827

TY - JOUR

T1 - Validation of the Hebrew Version of the Unified Dyskinesia Rating Scale

AU - Faust-Socher, Achinoam

AU - Anis, Saar

AU - Kestenbaum, Meir

AU - Shabtai, Herzl

AU - Taichman, Tali

AU - Bar David, Aya

AU - Ezra, Adi

AU - Peretz, Chava

AU - Rosenberg, Alina

AU - Brozgol, Marina

AU - Herman, Talia

AU - Stebbins, Glenn T.

AU - Goetz, Christopher G.

AU - Martínez-Martín, Pablo

AU - Luo, Sheng T.

AU - Ren, Xuehan

AU - Giladi, Nir

AU - Gurevich, Tanya

PY - 2020/7/1

Y1 - 2020/7/1

N2 - Background: The Unified Dyskinesia Rating Scale (UDysRS) is a well-established tool for producing comprehensive assessments of severity and disability associated with dyskinesia in patients with Parkinson's disease (PD). The scale was originally developed in English, and a broad international effort has been undertaken to develop and validate versions in additional languages. Our aim was to validate the Hebrew version of the UDysRS. Methods: We translated the UDysRS into Hebrew, back-translated it into English, and carried out cognitive pretesting. We then administered the scale to non-demented native Hebrew-speaking patients who fulfilled the Brain Bank diagnostic criteria for probable PD (n = 250). Data were compared to the Reference Standard data used for validating UDysRS translations. Results: The different portions of the Hebrew UDysRS showed high internal consistency (α ≥ 0.92). A confirmatory factor analysis in which we compared the Hebrew UDysRS to the Reference Standard version produced a comparative fit index (CFI) of 0.98, exceeding the threshold criterion of CFI > 0.9 indicating factor validity. A secondary exploratory factor analysis provided further support to the consistency between the factor structures of the Hebrew and Reference Standard versions of the UDysRS. Conclusion: The UDysRS Hebrew version shows strong clinimetric properties and fulfills the criteria for designation as an official International Parkinson and Movement Disorder Society-approved translation for use in clinical and research settings.

AB - Background: The Unified Dyskinesia Rating Scale (UDysRS) is a well-established tool for producing comprehensive assessments of severity and disability associated with dyskinesia in patients with Parkinson's disease (PD). The scale was originally developed in English, and a broad international effort has been undertaken to develop and validate versions in additional languages. Our aim was to validate the Hebrew version of the UDysRS. Methods: We translated the UDysRS into Hebrew, back-translated it into English, and carried out cognitive pretesting. We then administered the scale to non-demented native Hebrew-speaking patients who fulfilled the Brain Bank diagnostic criteria for probable PD (n = 250). Data were compared to the Reference Standard data used for validating UDysRS translations. Results: The different portions of the Hebrew UDysRS showed high internal consistency (α ≥ 0.92). A confirmatory factor analysis in which we compared the Hebrew UDysRS to the Reference Standard version produced a comparative fit index (CFI) of 0.98, exceeding the threshold criterion of CFI > 0.9 indicating factor validity. A secondary exploratory factor analysis provided further support to the consistency between the factor structures of the Hebrew and Reference Standard versions of the UDysRS. Conclusion: The UDysRS Hebrew version shows strong clinimetric properties and fulfills the criteria for designation as an official International Parkinson and Movement Disorder Society-approved translation for use in clinical and research settings.

KW - Clinimetrics

KW - Dyskinesia

KW - Parkinson’s disease

KW - Rating scales

KW - Validation

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ER -

Validation of the Hebrew Version of the Unified Dyskinesia Rating Scale

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