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J Mov Disord. 2018 Jan;11(1):24-29. doi: 10.14802/jmd.17058. Epub 2018 Jan 23.

Validity and Reliability Study of the Korean Tinetti Mobility Test for Parkinson's Disease.

Author information

1
Department of Neurology, Haeundae Paik Hospital, Inje University, Busan, Korea.
2
Department of Neurology & Parkinson's Disease Centre, Guro Hospital, Korea University, Seoul, Korea.
3
Department of Neurology, Konkuk University School of Medicine, Seoul, Korea.
4
Department of Neurology, Chungnam National University Hospital, Daejeon, Korea.
5
Department of Neurology, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.
6
Ewha Womans University School of Medicine, Ewha Womans University Mokdong Hospital, Seoul, Korea.
7
Department of Neurology, Korea University College of Medicine, Ansan Hospital, Ansan, Korea.
8
Department of Neurology, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Korea.
9
Department of Neurology, Chungbuk National University College of Medicine, Cheongju, Korea.
10
Department of Neurology, College of Medicine, Soonchunhyang University Seoul Hospital, Seoul, Korea.
11
Department of Neurology, College of Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Korea.
12
Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
13
Neuroscience Center, Samsung Medical Center, Seoul, Korea.
14
Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea.

Abstract

OBJECTIVE:

Postural instability and gait disturbance are the cardinal symptoms associated with falling among patients with Parkinson's disease (PD). The Tinetti mobility test (TMT) is a well-established measurement tool used to predict falls among elderly people. However, the TMT has not been established or widely used among PD patients in Korea. The purpose of this study was to evaluate the reliability and validity of the Korean version of the TMT for PD patients.

METHODS:

Twenty-four patients diagnosed with PD were enrolled in this study. For the interrater reliability test, thirteen clinicians scored the TMT after watching a video clip. We also used the test-retest method to determine intrarater reliability. For concurrent validation, the unified Parkinson's disease rating scale, Hoehn and Yahr staging, Berg Balance Scale, Timed-Up and Go test, 10-m walk test, and gait analysis by three-dimensional motion capture were also used. We analyzed receiver operating characteristic curve to predict falling.

RESULTS:

The interrater reliability and intrarater reliability of the Korean Tinetti balance scale were 0.97 and 0.98, respectively. The interrater reliability and intra-rater reliability of the Korean Tinetti gait scale were 0.94 and 0.96, respectively. The Korean TMT scores were significantly correlated with the other clinical scales and three-dimensional motion capture. The cutoff values for predicting falling were 14 points (balance subscale) and 10 points (gait subscale).

CONCLUSION:

We found that the Korean version of the TMT showed excellent validity and reliability for gait and balance and had high sensitivity and specificity for predicting falls among patients with PD.

KEYWORDS:

Parkinson’s disease; Tinetti mobility test; balance; gait

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