Fig. 2

Comparison of the clinical characteristics between patients with focal FMD and multifocal FMD. a Clinical data of patients with FMD who underwent PTRA in our institute between 2008 and 2019. b Distribution of patients depending on the age at diagnosis and type of FMD. The chart is color-coded by the years until the first recurrence after PTRA. No recurrence (gray), less than 1 year (yellow), 1 year or more and less than 5 years (orange), and more than 5 years (red). All three patients who had a recurrence after more than 5 years had multifocal FMD, and the age at onset age was within the teenage years. Data were compared using a Mann-Whitney test. Nominal variables were compared using a Fisher’s exact test. Data are represented as mean ± SD. P values < 0.05 were considered significant. FMD: fibromuscular dysplasia; PTRA: percutaneous transluminal renal angioplasty