(a)
(b)
Figure 3: Postprocedural symptomatic improvement in patients with low-flow low-gradient severe aortic stenosis (LFLGAS) and those with non-LFLGAS. (a) LFLGAS patients. (b) Non-LFLGAS patients. NYHA indicates New York Heart Association functional class. denotes a significant difference between patients with low-flow low-gradient severe aortic stenosis (LFLGAS) and those with non-LFLGAS.