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. 2017 Sep 22;8(3):244–253. doi: 10.1177/2192568217722562

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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 2. — Breakdown of insurance status by percentage for all cervical spondylotic myelopathy (CSM) patients undergoing cervical fusion. The percentage of CSM patients undergoing cervical fusions are represented by insurance status. Data from 2003 was compared to data from 2013 by beneficiary to determine statistically significant changes over time. A “*” denotes statistical significance with P < .01. A “**” represents statistical significance with P < .001.