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. 2015 Oct 5;37(3):3277–3283. doi: 10.1007/s13277-015-4008-8

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© The Author(s) 2015

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 2 — Kaplan-Meier analysis of overall survival (OS) for a total of 1321 cases with colorectal cancer according to the prognostic nutritional index (PNI) value. The low-PNI group had a worse OS rate than the high-PNI group (P < 0.05)