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. 2017 Dec 22;36:97. doi: 10.1186/s40880-017-0263-y

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© The Author(s) 2017

Open AccessThis 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. 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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Fig. 2 — Kaplan–Meier estimates of progression-free survival (PFS) and overall survival (OS) probability of mCRC patients treated with famitinib and placebo. a the median PFS in the famitinib group was significantly longer than that in the placebo group (P = 0.004); b there is no significant difference in the median OS between the two groups