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. 2016 Jun 2;14:83. doi: 10.1186/s12955-016-0488-5

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© The Author(s). 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. 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 — Path diagram for the hypothetical model. ^* P < 0.05; ^** P < 0.01. x1 = Age; x2 = Education level; x3 = Economic status; x4 = Family support; x5 = Friend support; x6 = Special support; y1 = Dilatation of sinus of Valsalva; y2 = Fibrillin-1 mutation; y3 = Family history of Marfan syndrome; y4 = Frequency of operations on the cardiovascular system; y5 = Anxiety; y6 = Depression; y7 = Fatigue; y8 = Pain; y9 = Body image; y10 = Physical component score; y11 = Mental component score