
Keywords: 20BTS, Blalock–Taussig shunt; CI, confidence interval; DKS, Damus–Kaye–Stansel; ECMO, extracorporeal membrane oxygenation; HR, hazard ratio; IQR, interquartile range; PAB, pulmonary artery banding; SV, single ventricle; SVOTO, systemic ventricular outflow