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Calibration curves. (A) Calibration curves showing the probability of 1-year mortality between the nomogram prediction and the actual observation in training set; (B) Calibration curves showing the probability of 1-year mortality between the nomogram prediction and the actual observation in the validation set. The prediction probability of the nomogram for 1-year mortality was plotted on the X-axis, and the actual probability was plotted on the Y-axis.
