Sung-Han Yoon et al. JACC 2017;69:2579-2589 TAVR for Bicuspid Versus Tricuspid Aortic Valve Stenosis (Top) Schematic presentations of bicuspid and tricuspid aortic valves. Type 0 and 1 indicate bicuspid aortic valve with no raphe, and 1 raphe, respectively. (Bottom) Cumulative all-cause mortality rates in patients with bicuspid AS (orange) and tricuspid AS (blue) in a propensity score matched cohort. Event rates were compared using the win ratio test. AS = aortic valve stenosis. Sung-Han Yoon et al. JACC 2017;69:2579-2589 2017 The Authors