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Psychological interventions for chronic non-specific low back pain: protocol of a systematic review with network meta-analysis
  1. Emma Ho1,
  2. Manuela Ferreira2,
  3. Lingxiao Chen2,
  4. Milena Simic1,
  5. Claire Ashton-James3,
  6. Josielli Comachio1,4,
  7. Jill Hayden5,
  8. Paulo Ferreira1
  1. 1Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
  2. 2Institute of Bone and Joint Research, Faculty of Medicine and Health, University of Sydney, Sydney, New South Wales, Australia
  3. 3Pain Management Research Institute, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
  4. 4Department of Speech, Physical Therapy and Occupational Therapy, School of Medicine, University of Sao Paulo, Sao Paulo, São Paulo, Brazil
  5. 5Community Health and Epidemiology, Dalhousie University, Halifax, Nova Scotia, Canada
  1. Correspondence to Emma Ho; emma.ho{at}sydney.edu.au

Abstract

Introduction Psychological factors such as fear avoidance beliefs, depression, anxiety, catastrophic thinking and familial and social stress, have been associated with high disability levels in people with chronic low back pain (LBP). Guidelines endorse the integration of psychological interventions in the management of chronic LBP. However, uncertainty surrounds the comparative effectiveness of different psychological approaches. Network meta-analysis (NMA) allows comparison and ranking of numerous competing interventions for a given outcome of interest. Therefore, we will perform a systematic review with a NMA to determine which type of psychological intervention is most effective for adults with chronic non-specific LBP.

Methods and analysis We will search electronic databases (MEDLINE, Embase, PsycINFO, Cochrane Central Register of Controlled Trials, Web of Science, SCOPUS and CINAHL) from inception until 22 August 2019 for randomised controlled trials comparing psychological interventions to any comparison interventions in adults with chronic non-specific LBP. There will be no restriction on language. The primary outcomes will include physical function and pain intensity, and secondary outcomes will include health-related quality of life, fear avoidance, intervention compliance and safety. Risk of bias will be assessed using the Revised Cochrane risk-of-bias tool for randomised trials (RoB 2) tool and confidence in the evidence will be assessed using the Confidence in NMA (CINeMA) framework. We will conduct a random-effects NMA using a frequentist approach to estimate relative effects for all comparisons between treatments and rank treatments according to the mean rank and surface under the cumulative ranking curve values. All analyses will be performed in Stata.

Ethics and dissemination No ethical approval is required. The research will be published in a peer-reviewed journal.

PROSPERO registration number CRD42019138074.

  • back pain
  • musculoskeletal disorders
  • psychiatry
http://creativecommons.org/licenses/by-nc/4.0/

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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Footnotes

  • Contributors All authors (EKH, MF, LC, MS, CA-J, JC, JAH, PF) conceived the study. EKH drafted the manuscript. EKH, LC and JC participated in the search strategy development. PF assisted in the initial protocol design, and all authors (EKH, MF, LC, MS, CA-J, JC, JAH, PF) assisted in the protocol revision. LC provided statistical expertise. CA provided expertise on psychological interventions. All authors (EKH, MF, LC, MS, CA-J, JC, JAH, PF) read and approved the final manuscript as submitted.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient and public involvement Patients and/or the public were not involved in the design, or conduct, or reporting, or dissemination plans of this research.

  • Patient consent for publication Not required.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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