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. 2015 Sep 7;26(11):2274–2280. doi: 10.1093/annonc/mdv358

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© The Author 2015. Published by Oxford University Press on behalf of the European Society for Medical Oncology.

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

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Figure 2. — (A) Disease-free survival: The hazard ratio in the study group when compared with the control group was 1.00 (95% confidence interval 0.80–1.24, stratified log-rank test, P = 0.98). (B) Overall survival: The hazard ratio in the study group when compared with the control group was 1.05 (95% confidence interval 0.78–1.42, stratified log-rank test, P = 0.73).