| Measurements | 
        Tetralogy of Fallot | 
        Controls | 
        P-value | 
       
      
        | TV    E (cm/s) | 
        77.8    ± 20.5 | 
        72.2    ± 8.1 | 
        0.293 | 
       
      
        | TV    A (cm/s) |  
        52.4    ± 8.7 | 
        44.6    ± 5 | 
        0.002*  | 
       
      
        | TV    E/A | 
        1.5    ± 0.4 | 
        1.6    ± 0.2 | 
        0.367 | 
       
      
        | TV    annulus  S’ (cm/s) | 
        8.1    ± 2 | 
        12.5    ± 2.2 | 
        <0.001*  | 
       
      
        | TV    annuls E’(cm/s) | 
        12.9    ± 2.9 | 
        16.4    ± 3.1 | 
        0.001*  | 
       
      
        | TV    annulus A’(cm/s) | 
        6.5    ± 1.5 | 
        9.3    ± 2.4 | 
        <0.001*  | 
       
      
        | TV  E’/A’ | 
        2.1    ± 0.5 | 
        1.8    ± 0.4 | 
        0.085 | 
       
      
        | RV    MPI | 
        0.44    ± 0.11 | 
        0.33    ± 0.05 | 
        <0.001*  | 
       
      
        | TV    E/E’ | 
        6.3    ± 2.4 | 
        4.9    ± 1.6 | 
        0.046*  | 
       
     
    TV: Tricuspid Valve; E: Early Diastolic Filling; A: Late Diastolic Filling, S’: Peak
    Systolic Velocity; E’: Peak Velocity In Early Diastole; A’: Peak Velocity In Late
    Diastole; MPI: Myocardial Performance Index
    Data are expressed as mean (± SD). *P<0.05 is of significance |