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. 2017 Sep 5;7(3 Suppl):53S–69S. doi: 10.1177/2192568217710137

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© The Author(s) 2017

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 License (http://www.creativecommons.org/licenses/by-nc-nd/4.0/) which permits non-commercial use, reproduction and distribution of the work as published without adaptation or alteration, without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 3. — Forest plots and meta-analysis of postoperative Neck Disability Index (NDI) scores among patients with degenerative cervical myelopathy. Significant improvements in NDI scores are observed following surgery at short (Panel A, 6-12 months), medium (Panel B, 13-36 months), and long (Panel C, >36 months) term follow-up.