Note:
Model 1 : Right heart failure was taken as the dependent variable, and different FTR trajectories were taken as independent variables (the stable group was taken as the control group);
Model 2: Based on Model 1, age and gender were corrected;
Model 3: Based on Model 2, the length of history, atrial fibrillation and pulmonary hypertension were corrected.;
Model 4: On the basis of Model 3, left anteroposterior atrial diameter, right atrial transverse and longitudinal meridian, left ventricular end diastolic diameter, right ventricular diameter and tricuspid valve regurgitation area were corrected.