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. 2016 Jun 27;49(1):193–203. doi: 10.4143/crt.2015.473

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Copyright © 2017 by the Korean Cancer Association

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2. — Kaplan-Meier curves showing overall survival (OS) (A) and progression-free survival (PFS) (B) according to the O⁶-methylguanine-DNA methyltransferase (MGMT) promoter methylation status. Patients with the methylated MGMT promoter had a longer OS (23.9 months vs. 16.7 months) and longer PFS (13.2 months vs. 9.3 months) than those with the unmethylated MGMT promoter.