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. 2018 Jun 29;34(5):1116–1124. doi: 10.3904/kjim.2018.011

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Copyright © 2019 The Korean Association of Internal Medicine

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Survival analysis according to a proportional hazards model in training cohort. Kaplan-Meier curves for progression-free survival (A) and overall survival (B) after crizotinib treatment in the training cohort according to a proportional hazards model are shown. Score indicates how many factors were present (i.e., Eastern Cooperative Oncology Group performance status, same or more than 2; number of metastatic organs, same or more than 3 organs; and no response by crizotinib treatment). mPFS, median progression-free survival; CI, confidence interval; HR, hazard ratio; mOS, median overall survival.