Table 2

 Comparisons of demographic, morphological, and surgical data between survivors and non-survivors

Survivors (n = 58)Non-survivors (n = 29)p Value
Data are median (range), mean (SD) or numbers.
*Calculated based on postmortem18 data; †based on echocardiographic data.19
RV, right ventricular.
Age at 1st procedure (days)8 (1 to 307)9 (1 to 757)0.17
Weight at 1st procedure (kg)3.2 (2.0 to 5.5)3.2 (2.0 to 7.2)0.66
Sex (male/female)33/2517/121.00
RV hypoplasia
    Mild1990.37
    Moderate155
    Severe2415
RV morphology
    Monopartite220.61
    Bipartite96
    Tripartite4721
RV-coronary connection (yes/no)11/479/200.28
Tricuspid regurgitation
    Nil or mild1780.51
    Moderate106
    Severe3115
Ebstein’s abnormality (yes/no)2/562/270.60
Tricuspid valve dimension
    Annulus size (mm)10.4 (2.9)9.8 (3.4)0.49
    Annulus z score*−1.2 (1.5)−1.5 (2.4)0.52
    Annulus z score†−3.8 (2.5)−3.9 (2.7)0.85
Type of primary procedure
    RVOTR75
    CPV30120.24
    Laser assisted valvotomy123
    SP shunt99
Year of intervention (before/after 1990)26/329/200.25