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Zhao J, Chau JPC, Zang Y, Choi KC, He R, Zhao Y, Xiang X, Li Q, Thompson DR. Psychometric properties of the Chinese version of the Trunk Impairment Scale in people with a stroke. Health Qual Life Outcomes 2021; 19:85. [PMID: 33691738 PMCID: PMC7948338 DOI: 10.1186/s12955-021-01730-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 03/04/2021] [Indexed: 11/22/2022] Open
Abstract
Background The Trunk Impairment Scale (TIS) has been translated into Chinese, but the psychometric properties of the Chinese version of the TIS (TIS-C) have not yet been established. We aimed to examine the reliability and validity of the TIS-C for assessing sitting balance among Chinese people with a stroke. Methods A descriptive, cross-sectional design was used. We recruited a convenience sample of 170 subacute stroke patients aged 18 years or over from the neurology departments of four traditional Chinese medicine hospitals in China. Patients completed the TIS-C, the Berg Balance Scale and the Modified Barthel Index. The psychometric properties of the TIS-C were examined to establish test–retest reliability, internal consistency, equivalence, and content, criterion, and construct validity. Results Intraclass correlation coefficients for inter-rater and intra-rater reliability ranged from 0.75 to 0.89 and from 0.90 to 0.97, respectively. The TIS-C Cronbach α was 0.86. The strong correlation between the total score of the TIS-C and the Berg Balance Scale (rs = 0.81, p < 0.001) or Modified Barthel Index (rs = 0.84, p < 0.001) suggested good concurrent and convergent validity, respectively. Known-group validity was supported by the significant difference (p < 0.001) in TIS-C scores between participants with mild and moderate stroke. Conclusions The TIS-C is a valid and reliable tool for assessing static and dynamic sitting balance as well as coordination of trunk movement among stroke survivors with mild and moderate stroke.
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Affiliation(s)
- Jie Zhao
- The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Room 825,8/F, Esther Lee Building, Shatin, New Territories, Hong Kong.,School of Nursing, Yunnan University of Traditional Chinese Medicine, Kunming, Yunnan, China
| | - Janita Pak Chun Chau
- The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Room 825,8/F, Esther Lee Building, Shatin, New Territories, Hong Kong.
| | - Yuli Zang
- The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Room 825,8/F, Esther Lee Building, Shatin, New Territories, Hong Kong
| | - Kai Chow Choi
- The Nethersole School of Nursing, Faculty of Medicine, The Chinese University of Hong Kong, Room 825,8/F, Esther Lee Building, Shatin, New Territories, Hong Kong
| | - Rong He
- Yunnan Provincial Hospital of Traditional Chinese Medicine, Kunming, Yunnan, China
| | - Yali Zhao
- Kunming Municipal Hospital of Traditional Chinese Medicine, Kunming, Yunnan, China
| | - Xiaoqi Xiang
- Yunnan Provincial Hospital of Traditional Chinese Medicine, Kunming, Yunnan, China
| | - Qin Li
- Kunming Municipal Hospital of Traditional Chinese Medicine, Kunming, Yunnan, China
| | - David R Thompson
- School of Nursing and Midwifery, Queen's University Belfast, Belfast, UK
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