Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

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

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 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).

PMC Copyright notice

Figure 1. — Number of comorbidities by percentage for all cervical spondylotic myelopathy (CSM) patients undergoing cervical fusion. The trends in the average number of comorbidities by percentage are shown for all CSM patients undergoing cervical fusion. Data from 2003 was compared to data from 2013 by number of comorbidities to determine statistically significant changes over time. A “*” denotes statistical significance with P < .01. A “**” represents statistical significance with P < .001.