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. 2019 Sep 13;14:311. doi: 10.1186/s13018-019-1358-8

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© The Author(s). 2019

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 — Forest plots comparing the outcome indicators of PKP and SSF + VP. a Bleeding volume. b Operation time. c Preoperative VAS score. d 1 month postoperative VAS score. e Final follow-up VAS score. f Preoperative local vertebral Cobb angle. g Postoperative 1 month local vertebral Cobb angle. h Final follow-up local vertebral Cobb angle. i Preoperative ODI score. j Postoperative final follow-up ODI score. k Cement leakage