Fig. 1

Study flow chart. In all, 204 hypertensive Takayasu arteritis patients were enrolled in to the present study from the East China Takayasu arteritis cohort between January 2013 and December 2019. Clinical characteristics and imaging features of each case were evaluated. The main outcome of the investigation was the events free survival by the end of August 30, 2020. Subgroup analysis, according to hypertensive severity and imaging phenotype, was also performed. Cluster 1: involvement of abdominal aorta and/or renal artery; Cluster 2: involvement of ascending aorta, thoracic aorta, and/or the aortic arch and its branches; and Cluster 3: combined involvement of Cluster 1 and Cluster 2.