Fig. 4From: Comparison between three different equations for the estimation of glomerular filtration rate in predicting mortality after coronary artery bypassPatients Stratified by Gender. Receiver operating characteristic curves with 95% confidence intervals for eGFRCKD-EPI (a) eGFRMDRD (b) and CCG (c). . Colored curve above the diagonal line perform progressively better the closer they are to the upper left-hand corner. Calibration plots of eGFRCKD-EPI (d) eGFRMDRD (e) and CCG (f). Lines below the ideal curve (dotted line) overestimate the outcome, if they lie above the ideal curve the outcome is underestimatedBack to article page