Figure 2: (A) Left ventricular ejection fraction improvement from baseline to longest follow-up, percent. (B) Left ventricular end-diastolic diameter reduction from baseline to longest follow-up, millimeter. (C) Improvement of NYHA function class. LVEF, left ventricular ejection fraction; LVEDD, left ventricular end-diastolic diameter; NYHA, New York Heart Association; SD, standard deviation; CI, confidence interval; LBBP, left bundle branch area pacing; BVP, biventricular pacing.