Abstract Title:

A systematic review and meta-analysis of the effects of Qigong and Tai Chi for depressive symptoms.

Abstract Source:

Complement Ther Med. 2015 Aug ;23(4):516-34. Epub 2015 May 27. PMID: 26275645

Abstract Author(s):

Xin Liu, Justin Clark, Dan Siskind, Gail M Williams, Gerard Byrne, Jiao L Yang, Suhail A Doi

Article Affiliation:

Xin Liu

Abstract:

BACKGROUND: Qigong and Tai Chi are the two most popular traditional Chinese exercises, known as mind-body movement therapies. Previous studies suggest that Qigong and Tai Chi may be beneficial in reducing depressive symptoms. This was the first study to systematically review and compare the effects of Qigong and Tai Chi on depressive symptoms.

METHODS: A systematic search of six electronic databases was undertaken through to February 2014, for randomized controlled trials (RCTs) which reported depressive symptoms measured by a depressive symptom rating scale. The standardized mean difference in depressive symptoms score between Qigong or Tai Chi and a control group (at the end of follow-up) was extracted as a primary outcome. The secondary outcome was the standardized mean gain in symptom score (SMG) relative to the baseline from individual arms of the RCTs for various forms of care including Qigong, Tai Chi, usual care, other exercise, education and miscellaneous interventions.

RESULTS: Thirty studies with a total of 2328 participants (823 males and 1505 females) were included. A significant effect was found for the Qigong interventions (Cohen's d -0.48 95% CI -0.48 to -0.12; SMG -0.52, 95% CI -0.79 to -0.26). There was no significant effect seen for Tai Chi for the primary endpoint. No mean change in symptom scores were seen for Tai Chi, usual care, other exercises, education and the 'miscellaneous' group in pre-post assessment in single arms. The Qigong results were found to be robust in sensitivity analyses.

CONCLUSIONS: Qigong appears to be beneficial for reducing depressive symptom severity. However, given the low quality of the included studies and the documented evidence of publication bias, these results should be viewed cautiously.

Study Type : Meta Analysis, Review
Additional Links
Therapeutic Actions : Qigong : CK(909) : AC(87)

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