Construction and validation of the nomogram
early-onset stage I
In accordance with the results of multivariate analysis, race, marital status, and T stage were used to build a nomogram for predicting the 3- and 5-year OS (Fig. Nomogram for predicting overall survival of patients with early-onset stage I–II colon cancerCalibration curves predicting 3- and 5-year OS in the training and validation group. Results of decision curve analysis of OS-associated nomogram in training and validation groups. 