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. 2017 Jul 5;7:4654. doi: 10.1038/s41598-017-04063-3

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as 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 images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Receiver operating characteristic (ROC) analysis and ischemic lower-extremity peripheral arterial disease (PAD)-free survival in hemodialysis patients. (a) ROC analysis showed an area under the curve of 0.940 (p < 0.001). An L5% cutoff value of 2.239 was associated with ischemic lower-extremity PAD with a sensitivity of 0.909 and a specificity of 0.853. A = area under curve. (b) Patients with an L5% below 2.239 had a higher ischemic lower-extremity PAD-free survival rate than did patients with an L5% above 2.239 (log-rank test, p < 0.001).