Volume 13, Issue 1 pp. 25-33
ARTICLE

Risk of bias assessments and reporting quality of systematic reviews and randomized controlled trials examining acupuncture for depression: An overview and meta-epidemiology study

Shanxia Luo

Shanxia Luo

Department of Mental Health Center, West China Hospital of Sichuan University, Chengdu, P.R. China

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Youlin Long

Youlin Long

Chinese Evidence-Based Medicine Center, West China Hospital, Sichuan University, Chengdu, P.R. China

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Wenzhe Xiao

Wenzhe Xiao

West China School of Public Health, Sichuan University, Chengdu, P.R. China

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Xin Wang

Xin Wang

School of Acupuncture and Tuina, Chengdu University of Traditional Chinese Medicine, Chengdu, P.R. China

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Rui Chen

Rui Chen

School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, P.R. China

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Qiong Guo

Qiong Guo

Chinese Evidence-Based Medicine Center, West China Hospital, Sichuan University, Chengdu, P.R. China

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Jia Liu

Jia Liu

West China School of Medicine, Sichuan University, Chengdu, P.R. China

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Ruochen Shao

Ruochen Shao

School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, P.R. China

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Liang Du

Liang Du

Chinese Evidence-Based Medicine Center, West China Hospital, Sichuan University, Chengdu, P.R. China

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Min Chen

Corresponding Author

Min Chen

Department of Traditional Chinese Medicine, The Third People's Hospital of Chengdu, Chengdu, P.R. China

Correspondence

Min Chen, Department of Traditional Chinese Medicine, The Third People's Hospital of Chengdu, No. 82, Qinglong Street, Chengdu, Sichuan 610031, China.

Email: [email protected]

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First published: 29 February 2020
Citations: 25

Funding information:

This work was supported by the National Natural Science Foundation of China (Numbers: 81873197, 81403276); and the Key Program of Sichuan Provincial Science and Technology Department, China (Number: 2019YFS0194).

Abstract

Objectives

To assess the use of risk of bias (ROB) assessment tools and the reporting quality of ROB assessment results in systematic reviews (SRs) of acupuncture for depression, as well as to evaluate the ROB of depression-related randomized controlled trials (RCT).

Methods

Embase, Medline, Chinese Journal Full-Text Database (CJFD), VIP Chinese Technology Periodical Database, and WanFang Data Resource System of Digital Periodicals were searched from their inception to 24 November 2017. SRs of RCTs concerning acupuncture on depression were included. General characteristics and the information related to risk of bias in SRs were extracted. A descriptive analysis was used.

Results

Thirty-nine SRs were included. Of these, two (5%) did not perform a ROB assessment, 18.9% did not report the ROB assessment results, and 62.2% did not report the assessment results of each ROB item. Text descriptions and tables were commonly used in reporting forms. Only 32.4% of SRs reported support for judgment. The reporting rate of ROB assessment results was low in all items (13.5%-35.1%). Regarding RCTs, 59.7% used adequate randomization methods, 13.1% performed adequate allocation concealment, 12.5% performed adequate blinding of participants and personnel, 27.3% performed adequate blinding of the assessment outcomes, and 41.5% and 49.3% had a low ROB in terms of incomplete outcome data and selective outcome reporting, respectively.

Conclusion

For the SRs of acupuncture for depression, the selection of ROB assessment tools needs to be optimized. The reporting quality is poor, and the overall ROB of RCTs is high. Therefore, the results may not be reliable.

CONFLICT OF INTEREST

None.

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