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. Author manuscript; available in PMC: 2021 Apr 7.
Published in final edited form as: Circ Cardiovasc Qual Outcomes. 2020 Apr 7;13(4):e006127. doi: 10.1161/CIRCOUTCOMES.119.006127

Table 2.

Parameter Probabilities from the International Fetal Cardiac Intervention Registry (IFCIR)11

Parameter Probability #/N Distribution Source
No FAV*: fetal demise 0.15 4/27 Beta IFCIR
No FAV: Biv outcome 0.22 5/23 Beta IFCIR
Technical success 0.81 70/86 Beta IFCIR
Post FAV fetal demise 0.20 16/80 Beta IFCIR
TS: Biv outcome 0.43 24/56 Beta IFCIR
*

Eligible for FAV but not performed due to maternal contraindications, not offered at center, or family declined. Loss to follow-up and terminations were excluded from the denominator of fetal demise. Biv = biventricular circulation; FAV = fetal aortic valvuloplasty; TS = technically successful