Comparisons of echocardiographic data.

LVEF, left ventricular ejection fraction; Mitral valve inflow E/A, ratio of early to late transmitral peak flow velocities; Mitral valve E/e', ratio of the peak transmitral velocity during early diastole to the peak mitral valve annular velocity during early diastole; SPAP, systolic pulmonary artery pressure; RV-FAC, right ventricular fractional area change; Tricuspid valve S', tissue Doppler-derived tricuspid lateral annular systolic velocity; Tricuspid valve inflow E/A, ratio of early to late transtricuspid peak flow velocities, Tricuspid valve E/e', ratio of the peak transtricuspid velocity during early diastole to the peak tricuspid valve annular velocity during early diastole.