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. 2019 Aug 6;18(4):3591–3598. doi: 10.3892/ol.2019.10720

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Copyright: © Yang 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 3. — Calibration curves for the nomogram. The x-axis is the predicted survival calculated by the nomogram, and the y-axis is the actual survival estimated by the Kaplan-Meier method. The 95% confidence intervals of the Kaplan-Meier estimates are indicated by black vertical lines at each point. The red dashed line presents the reference line and is a 45° diagonal. The closer the black line drawn by the model is to the red dashed line, the better the model. (A) Calibration plot of the 3-year OS for the training cohort. (B) Calibration plot of the 5-year OS for the training cohort. (C) Calibration plot of the 3-year OS for the validation cohort. (D) Calibration plot of the 5-year OS for the validation cohort. OS, overall survival.