The Resistive Index Is a Marker of Renal Function, Pathology, Prognosis, and Responsiveness to Steroid Therapy in Chronic Kidney Disease Patients
Figure 2
The resistive index (RI) based on CKD stages. An ultrasonographic image of a healthy control with CKD stage 1 (a) and of a patient with end-stage renal disease (ESRD) with CKD stage 5 (b). RI increased with CKD progression () (c). * versus stage 1, † versus stage 2, § versus stage 3.