Fig. 2From: Development and validation of a survival nomogram and calculator for male patients with metastatic castration-resistant prostate cancer treated with abiraterone acetate and/or enzalutamideCalibration plots of the nomogram for predicting 2-year survival. a Training cohort. b Validation cohort. The blue diagonal line indicates the ideal reference line, at which the probabilities match the observed proportions. The vertical lines across the blue line represent the nomogram-predicted probabilities grouped for each of the four quartile groups along with the respective 95% confidence intervalsBack to article page