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. 2016 Feb 12;5:123. doi: 10.1186/s40064-016-1745-0

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© Yokoyama et al. 2016

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.

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Fig. 3 — The score shows improvement at the 1.5-month evaluation, but there is no significant difference compared to before HTO. Three months after surgery, there is significant improvement from before HTO. The differences between the 3rd and the 6th month and between the 6th and 9th month are significant, even though there is only moderate improvement