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. 2014 Jun 4;14:402. doi: 10.1186/1471-2407-14-402

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Copyright © 2014 Chen et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. 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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Kaplan-Meier survival analysis for NSCLC patients. The P-value was determined using the log-rank test. (A) Comparison of the overall survival (OS) between NOK negative and NOK positive NSCLC patients. (B) Comparison of the OS between pTNM I/II and pTNM III/IV patients. (C) Comparison of the OS between NOK negative and NOK positive SCC patients. (D) Comparison of the OS between NOK negative and NOK positive ADC patients. (E) Comparison of the OS between NOK negative and NOK positive pTNM I/II patients. (F) Comparison of the OS between NOK negative and NOK positive pTNM III/IV patients.