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KMID : 1197720230160010086
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대한파킨슨병 및 이상운동질환 학회지
2023 Volume.16 No. 1 p.86 ~ p.90
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Validity and Reliability of the Korean-Translated Version of the International Cooperative Ataxia Rating Scale in Cerebellar Ataxia
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Park Jin-Se
Cho Jin-Whan
Youn Jin-Young
Oh Eng-Seok
Jang Woo-Young
Kim Joong-Seok
Oh Yoon-Sang
Hwang Hyun-Gyoung
Ryu Chang-Hwan
Ahn Jin-Young
Lee Jee-Young
Koh Seong-Beom
Park Jae-H.
Kim Hee-Tae
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Abstract
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Objective The International Cooperative Ataxia Rating Scale (ICARS) is a semiquantitative clinical scale for ataxia that is widely used in numerous countries. The purpose of this study was to investigate the validity and reliability of the Korean-translated version of the ICARS.
Methods Eighty-eight patients who presented with cerebellar ataxia were enrolled. We investigated the construct validity using exploratory factor analysis (EFA) and confirmatory factor analysis (CFA). We also investigated the internal consistency using Cronbach’s α and intrarater and interrater reliability using intraclass correlation coefficients.
Results The Korean-translated ICARS showed satisfactory construct validity using EFA and CFA. It also revealed good interrater and intrarater reliability and showed acceptable internal consistency. However, subscale 4 for assessing oculomotor disorder showed moderate internal consistency.
Conclusion This is the first report to investigate the validity and reliability of the Korean-translated ICARS. Our results showed excellent construct and convergent validity. The reliability is also acceptable.
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KEYWORD
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Cerebellar ataxia, Republic of Korea, Validation study
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