Figure 2.

Kaplan–Meier time to event curves comparing composite outcomes in revascularization versus medical therapy alone for subgroups of renovascular disease based on disease severity and clinical phenotype, ASTRAL and Salford combined. (A) Bilateral severe disease with a high-risk clinical phenotype. (B) Bilateral severe disease without a high-risk clinical phenotype. (C) Unilateral severe disease with a high-risk clinical phenotype. (D) Unilateral severe disease without a high risk clinical phenotype.