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The effects of group-based versus individual-based Tai Chi training on nonmotor symptoms in patients with mild to moderate Parkinson's disease: a randomized controlled pilot trial
Yang JH, Wang YQ, Ye SQ, Cheng YG, Chen Y, Feng XZ
Parkinson's Disease 2017 Jul 24;(8562867):Epub
clinical trial
7/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

OBJECTIVE: To compare the effects of group-based and individual-based Tai Chi training on nonmotor symptoms in patients with mild to moderate Parkinson's disease. DESIGN: Randomized controlled pilot study. METHODS: 36 community-dwelling patients with Parkinson's disease (PD) were randomly assigned to either group-based training group (n = 19) or individual-based group (n = 17). Both groups received same content of Tai Chi training 3 times a week for 13 weeks. Participants were also asked to perform home exercises daily. The Non-Motor Symptoms Scale was used to assess global nonmotor symptoms change. Sleep quality, depression, and cognition were evaluated by Parkinson's Disease Sleep Scale, Hamilton Depression Scale, and Beijing version-Montreal Cognitive Assessment, respectively. Home exercise compliance was recorded. RESULTS: There was no significant difference between two groups at baseline. After 13 weeks, there were no statistical significance between two groups. However, the within-group effect was different. Participants in group-based and individual-based groups showed a significant improvement on global nonmotor symptoms (p < 0.001, p = 0.004) and sleep (p < 0.001, p < 0.001). But only group-based training patients presented a significant improvement in cognitive impairment compared with baseline (p = 0.002, p = 0.116). For depression, no group gained a significant improvement (p = 0.123, p = 0.170). Group-based participants had a higher home-exercise compliance rate (HeCR) than individual-based participants did (p = 0.019), and HeCR showed a moderate correlation with MoCA-BJ and NMSS scores changes in this study. CONCLUSION: Group-based Tai Chi training is considered to be a more effective and a more labor-saving method in the clinical settings, and patients tend to have a higher compliance rate in their home exercise program. This study is registered with ChiCTR-IPR-17010388.

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