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Construction and validation of the nomogram. (A) Scores of each item of GC patients were calculated according to the nomogram, and the total scores obtained after addition can predict the 1- and 3-year survival probability. (B,C) The 1- and 3-year calibration curves of the nomogram (D) The ROC curves of 1-and 3-year nomogram (AUC = 0.648 for 1 year, AUC = 0.606 for 3 years). The abscissa represents false positive rate, the ordinate represents true positive rate.
