Fig. 3

Nomogram for predicting 1- and 2-year OS of mRCC patients after operation. a Nomogram for predicting 1- and 2-year OS of mRCC patients after operation. b Calibration plot of the nomogram for 1-year and 2-year survival. Each line represents the comparison of the survival situation with the actual situation at each time point, as well as the most ideal line (diagonal: gray); the closer to the diagonal, the better the fit. The vertical line corresponding to the point of each line reflects the confidence interval for that position. The blue cross on each line represents the result of each point after the stratified Kaplan–Meier correction. The vertical line at the top represents the survival probability corresponding to the specific sample (survival distribution). The greater the density, the greater the sample's survival probability within this probability