J Clin Neurol.  2020 Apr;16(2):245-253. 10.3988/jcn.2020.16.2.245.

Validation of the Korean Version of the Questionnaire for Impulsive-Compulsive Disorders in Parkinson's Disease Rating Scale

Affiliations
  • 1Department of Neurology, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea.
  • 2Department of Neurology and Neuroscience Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
  • 3Department of Neurology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea.
  • 4Department of Neurology, Kyung Hee University College of Medicine, Seoul, Korea.
  • 5Department of Neurology, Inje University Busan Paik Hospital, Inje University College of Medicine, Busan, Korea.
  • 6Department of Neurology, Dong-A University College of Medicine, Busan, Korea.
  • 7Department of Neurology, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, Korea.
  • 8Department of Neurology, Hallym University College of Medicine, Anyang, Korea.
  • 9Department of Neurology, Inje University Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea.
  • 10Department of Neurology, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
  • 11Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
  • 12Department of Neurology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
  • 13Department of Neurology, Incheon St. Mary's Hospital, The Catholic University of Korea, Incheon, Korea.
  • 14Department of Neurology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea.
  • 15Department of Neurology, Gachon University Gil Hospital, Incheon, Korea.
  • 16Department of Neurology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea.
  • 17Department of Neurology, Pusan National University Yangsan Hospital, Yangsan, Korea.
  • 18Department of Neurology, Inje University Seoul Paik Hospital, Seoul, Korea.
  • 19Department of Neurology, Ewha Womans University Mokdong Hospital, Ewha Womans University School of Medicine, Seoul, Korea.
  • 20Department of Neurology, Konkuk University School of Medicine, Seoul, Korea.
  • 21Department of Neurology, Yonsei University Wonju College of Medicine, Wonju, Korea.
  • 22Department of Neurology, Chungbuk National University Hospital, Chungbuk National University School of Medicine, Cheongju, Korea.
  • 23Department of Neurology, Chungnam National University Hospital, Chungnam National University School of Medicine, Daejeon, Korea.
  • 24Department of Neurology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.
  • 25Department of Neurology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea.
  • 26Department of Neurology, Keimyung University School of Medicine, Daegu, Korea.
  • 27Department of Neurology, Soonchunhyang University Seoul Hospital, Soonchunhyang University School of Medicine, Seoul, Korea.
  • 28Department of Neurology, Changwon Samsung Hospital, Changwon, Korea.
  • 29Department of Neurology, Hanyang University College of Medicine, Seoul, Korea.
  • 30Department of Neurology, Yeungnam University College of Medicine, Daegu, Korea.

Abstract

Background
and Purpose Impulse-control disorder is an important nonmotor symptom of Parkinson's disease (PD) that can lead to financial and social problems, and be related to a poor quality of life. A nationwide multicenter prospective study was performed with the aim of validating the Korean Version of the Questionnaire for Impulsive-Compulsive Disorders in Parkinson's Disease Rating Scale (K-QUIP-RS).
Methods
The K-QUIP-RS was constructed using forward and backward translation, and pretesting of the prefinal version. PD patients on stable medical condition were recruited from 27 movement-disorder clinics. Participants were assessed using the K-QUIP-RS and evaluated for parkinsonian motor and nonmotor statuses and for PD-related quality of life using a predefined evaluation battery. The test–retest reliability of the K-QUIP-RS was assessed over an interval of 10–14 days, and correlations between the KQUIP-RS and other clinical scales were analyzed.
Results
This study enrolled 136 patients. The internal consistency of the K-QUIP-RS was indicated by a Cronbach's α coefficient of 0.846, as was the test–retest reliability by a Guttman split-half coefficient of 0.808. The total K-QUIP-RS score was positively correlated with the scores for depression and motivation items on the Unified PD Rating Scale (UPDRS), Montgomery-Asberg Depression Scale, and Rapid-Eye-Movement Sleep-Behavior-Disorders Questionnaire. The total K-QUIP-RS score was also correlated with the scores on part II of the UPDRS and the PD Quality of Life-39 questionnaire, and the dopaminergic medication dose.
Conclusions
The K-QUIP-RS appears to be a reliable assessment tool for impulse-control and related behavioral disturbances in the Korean PD population.

Keyword

parkinson disease; impulsive behavior; compulsive behavior; rating scale; validation study
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