Fig. 1From: Temporal validation of the CT-PIRP prognostic model for mortality and renal replacement therapy initiation in chronic kidney disease patientsRepresentation of the CT-PIRP Model. Rectangles indicate subgroups of patients; in each rectangle (corresponding to a node) the mean annual estimated eGFR change is reported. The absolute and percentage frequency of each node are indicated over the arrows leading to it. Reworked figure from Rucci et al. [7]Back to article page