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The quality of reporting in randomized controlled trials of acupuncture for knee osteoarthritis: A cross-sectional survey

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  • Pengli Jia
  • Li Tang
  • Jiajie Yu
  • Jiali Liu
  • Deying Kang
  • Xin Sun

Abstract

Objective: To assess the reporting quality of acupuncture trials for knee osteoarthritis (KOA), and explore the factors associated with the reporting. Method: Three English and four Chinese databases were searched from inception to December 2016 for randomized control trials testing effects of acupuncture for knee osteoarthritis. We used the standard CONSORT (2010 version), CONSORT Extension for Non-Pharmacological Treatments, and STRICTA for measuring the quality of reporting. Using pre-specified study characteristics, we undertook regression analyses to examine factors associated with the reporting quality. Results: A total of 318 RCT reports were included. For the standard CONSORT, ten items were substantially under-reported (reported in less than 5% of RCTs), including specification of important changes to methods after trial commencement (0.6%), description of any changes to trial outcomes (0.0%), implementation of interim analyses and stopping guidelines (0.6%), statement about why the trial ended or was stopped (1.6%), statement about the registration status (4.4%), accessibility of full trial protocol (4.7%), implementation of randomization (4.7%), description of the similarity of interventions (3.5%), conduct of ancillary analyses (3.8%) and presentation of methods for additional analyses (4.4%). Four of the STRICTA items were under-reported (reported in less than 10% of RCTs), including description of acupuncture style (8.5%), presentation of extent to which treatment varied (1.3%), statement of practitioner background (7.2%) and rationale for the control (9.1%). For CONSORT Extension, the reporting was poor across all items (reported in less than 10% of trials). Trials including authors with expertise in epidemiology or statistics, published in English, or enrolling patients from multiple centers were more likely to have better reporting. Conclusions: The reporting in RCTs of acupuncture for KOA was generally poor. To improve the reporting quality, journals should encourage strict adherence to the reporting guidelines.

Suggested Citation

  • Pengli Jia & Li Tang & Jiajie Yu & Jiali Liu & Deying Kang & Xin Sun, 2018. "The quality of reporting in randomized controlled trials of acupuncture for knee osteoarthritis: A cross-sectional survey," PLOS ONE, Public Library of Science, vol. 13(4), pages 1-14, April.
    • Handle: RePEc:plo:pone00:0195652
    DOI: 10.1371/journal.pone.0195652
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    References listed on IDEAS

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    1. Kenneth F Schulz & Douglas G Altman & David Moher & for the CONSORT Group, 2010. "CONSORT 2010 Statement: Updated Guidelines for Reporting Parallel Group Randomised Trials," PLOS Medicine, Public Library of Science, vol. 7(3), pages 1-7, March.
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    1. Youlin Long & Rui Chen & Qiong Guo & Shanxia Luo & Jin Huang & Liang Du, 2020. "Do acupuncture trials have lower risk of bias over the last five decades? A methodological study of 4 715 randomized controlled trials," PLOS ONE, Public Library of Science, vol. 15(6), pages 1-12, June.

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