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. 2017 Jan 19;15:13. doi: 10.1186/s12916-016-0774-4

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© The Author(s). 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Meta-analysis of the discriminative performance of all instruments (for pain). SBT STarT Back Tool, OMPSQ Orebro Musculoskeletal Pain Screening Questionnaire, BDRQ Back Disability Risk Quesionnaire, CPRS Chronic Pain Risk Score, HCPR Hancock Clinical Prediction Rule, ROC Receiver Operating Characteristic