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. 2019 Jul 26;18(3):3304–3316. doi: 10.3892/ol.2019.10670

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Copyright: © Xing et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 2. — Construction of the 4-lncRNA based risk model. (A) Heat map of the top 100 significant lncRNAs associated with the prognosis of patients with HNSCC in the univariate survival analysis. The color key represents the expression level of lncRNA (the pink color indicates high expression and high risk, and the blue indicates low expression and low risk). (B) Receiver operating characteristic analysis of sensitivity and specificity of the survival time estimated via the 4-lncRNA based risk model. The red circle represents the optimal cut-off point. lncRNA, long non-coding RNA; HNSCC, head and neck squamous cell carcinoma; TPR, true positive rate; FPR, false positive rate; AUC, area under the curve.