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Cox regression analysis based on risk score and echocardiographic parameters (a) Kaplan−Meier stratified by Reveal lite score < 8 and ≥ 8. (b) Kaplan−Meier stratified by three groups of TAPSE/RVSP (c) Kaplan Meier stratified by three groups of RAV index. (d) Kaplan−Meir based on the presence of absence of pericardial effusion. RVSP, right ventricular systolic pressure; TAPSE, tricuspid annular plane systolic excursion.
