Evaluating the Validity and Reliability of the Korean Version of the Scales for Outcomes in Parkinson’s Disease–Cognition

Jinse Park, Eungseok Oh, Seong Beom Koh, In Uk Song, Tae Beom Ahn, Sang Jin Kim, Sang Myung Cheon, Yoon Joong Kim, Jin Whan Cho, Hyeo Il Ma, Mee Young Park, Jong Sam Baik, Phil Hyu Lee, Sun Ju Chung, Jong Min Kim, Han Joon Kim, Young Hee Sung, Do Young Kwon, Jae Hyeok Lee, Jee Young LeeJi Seon Kim, Ji Young Yun, Hee Jin Kim, Jin Yong Hong, Mi Jung Kim, Jinyoung Youn, Hui Jun Yang, Won Tae Yoon, Sooyeoun You, Kyum Yil Kwon, Su Yun Lee, Younsoo Kim, Hee Tae Kim, Joong Seok Kim, Ji Young Kim

Research output: Contribution to journalArticlepeer-review

Abstract

Objective The Scales for Outcomes in Parkinson’s Disease–Cognition (SCOPA-Cog) was developed to assess cognition in patients with Parkinson’s disease (PD). In this study, we aimed to evaluate the validity and reliability of the Korean version of the SCOPA-Cog (K-SCOPA-Cog). Methods We enrolled 129 PD patients with movement disorders from 31 clinics in South Korea. The original version of the SCOPA-Cog was translated into Korean using the translation-retranslation method. The test–retest method with an intraclass correlation coefficient (ICC) and Cronbach’s alpha coefficient were used to assess reliability. Spearman’s rank correlation analysis with the Montreal Cognitive Assessment-Korean version (MOCA-K) and the Korean Mini-Mental State Examination (K-MMSE) were used to assess concurrent validity. Results The Cronbach’s alpha coefficient was 0.797, and the ICC was 0.887. Spearman’s rank correlation analysis revealed a significant correlation with the K-MMSE and MOCA-K scores (r = 0.546 and r = 0.683, respectively). Conclusion Our results demonstrate that the K-SCOPA-Cog has good reliability and validity.

Original languageEnglish
Pages (from-to)328-332
Number of pages5
JournalJournal of Movement Disorders
Volume17
Issue number3
DOIs
StatePublished - Jul 2024

Bibliographical note

Publisher Copyright:
© 2024 The Korean Movement Disorder Society.

Keywords

  • Dementia
  • Neurocognitive test
  • Parkinson’s disease
  • Validation study

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